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Finding the Fourth Proportional to 29,001.50, 40,022.07 and 16,428.68

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Solution

The fourth proportional to 29,001.50, 40,022.07 and 16,428.68 is: 22,671.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,001.50 : 40,022.07 = 16,428.68 : x
  2. Step 2: Convert to fraction form
    29,001.50/40,022.07 = 16,428.68/x
  3. Step 3: Cross multiply
    29,001.50x = 40,022.07 × 16,428.68
  4. Step 4: Simplify right side
    29,001.50x = 657,509,780.97
  5. Step 5: Solve for x
    x = 657,509,780.97/29,001.50
  6. Step 6: Final answer
    x = 22,671.58

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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.