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Finding the Fourth Proportional to 62,006.80, 93,010.20 and 20,448.40

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Solution

The fourth proportional to 62,006.80, 93,010.20 and 20,448.40 is: 30,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,006.80 : 93,010.20 = 20,448.40 : x
  2. Step 2: Convert to fraction form
    62,006.80/93,010.20 = 20,448.40/x
  3. Step 3: Cross multiply
    62,006.80x = 93,010.20 × 20,448.40
  4. Step 4: Simplify right side
    62,006.80x = 1,901,909,773.68
  5. Step 5: Solve for x
    x = 1,901,909,773.68/62,006.80
  6. Step 6: Final answer
    x = 30,672.60

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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.