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Finding the Fourth Proportional to 23,403.51, 35,111.41 and 8,412.14

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Solution

The fourth proportional to 23,403.51, 35,111.41 and 8,412.14 is: 12,620.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,403.51 : 35,111.41 = 8,412.14 : x
  2. Step 2: Convert to fraction form
    23,403.51/35,111.41 = 8,412.14/x
  3. Step 3: Cross multiply
    23,403.51x = 35,111.41 × 8,412.14
  4. Step 4: Simplify right side
    23,403.51x = 295,362,163.27
  5. Step 5: Solve for x
    x = 295,362,163.27/23,403.51
  6. Step 6: Final answer
    x = 12,620.42

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.