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Finding the Fourth Proportional to 62,091.71, 93,155.71 and 19,970.85

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Solution

The fourth proportional to 62,091.71, 93,155.71 and 19,970.85 is: 29,962.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,091.71 : 93,155.71 = 19,970.85 : x
  2. Step 2: Convert to fraction form
    62,091.71/93,155.71 = 19,970.85/x
  3. Step 3: Cross multiply
    62,091.71x = 93,155.71 × 19,970.85
  4. Step 4: Simplify right side
    62,091.71x = 1,860,398,711.05
  5. Step 5: Solve for x
    x = 1,860,398,711.05/62,091.71
  6. Step 6: Final answer
    x = 29,962.11

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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.