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Finding the Fourth Proportional to 18,333.69, 25,300.49 and 9,950.19

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Solution

The fourth proportional to 18,333.69, 25,300.49 and 9,950.19 is: 13,731.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.69 : 25,300.49 = 9,950.19 : x
  2. Step 2: Convert to fraction form
    18,333.69/25,300.49 = 9,950.19/x
  3. Step 3: Cross multiply
    18,333.69x = 25,300.49 × 9,950.19
  4. Step 4: Simplify right side
    18,333.69x = 251,744,682.59
  5. Step 5: Solve for x
    x = 251,744,682.59/18,333.69
  6. Step 6: Final answer
    x = 13,731.26

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Half scale
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Double scale
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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.