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Finding the Fourth Proportional to 67,901.80, 93,701.70 and 37,688.38

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Solution

The fourth proportional to 67,901.80, 93,701.70 and 37,688.38 is: 52,008.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,901.80 : 93,701.70 = 37,688.38 : x
  2. Step 2: Convert to fraction form
    67,901.80/93,701.70 = 37,688.38/x
  3. Step 3: Cross multiply
    67,901.80x = 93,701.70 × 37,688.38
  4. Step 4: Simplify right side
    67,901.80x = 3,531,465,276.25
  5. Step 5: Solve for x
    x = 3,531,465,276.25/67,901.80
  6. Step 6: Final answer
    x = 52,008.42

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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.