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Finding the Fourth Proportional to 18,303.96, 25,259.34 and 10,346.16

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Solution

The fourth proportional to 18,303.96, 25,259.34 and 10,346.16 is: 14,277.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.96 : 25,259.34 = 10,346.16 : x
  2. Step 2: Convert to fraction form
    18,303.96/25,259.34 = 10,346.16/x
  3. Step 3: Cross multiply
    18,303.96x = 25,259.34 × 10,346.16
  4. Step 4: Simplify right side
    18,303.96x = 261,337,173.13
  5. Step 5: Solve for x
    x = 261,337,173.13/18,303.96
  6. Step 6: Final answer
    x = 14,277.63

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.