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Finding the Fourth Proportional to 67,354.59, 92,949.15 and 37,140.38

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Solution

The fourth proportional to 67,354.59, 92,949.15 and 37,140.38 is: 51,253.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,354.59 : 92,949.15 = 37,140.38 : x
  2. Step 2: Convert to fraction form
    67,354.59/92,949.15 = 37,140.38/x
  3. Step 3: Cross multiply
    67,354.59x = 92,949.15 × 37,140.38
  4. Step 4: Simplify right side
    67,354.59x = 3,452,166,751.68
  5. Step 5: Solve for x
    x = 3,452,166,751.68/67,354.59
  6. Step 6: Final answer
    x = 51,253.62

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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.