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Finding the Fourth Proportional to 67,854.10, 93,639.22 and 37,641.41

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Solution

The fourth proportional to 67,854.10, 93,639.22 and 37,641.41 is: 51,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,854.10 : 93,639.22 = 37,641.41 : x
  2. Step 2: Convert to fraction form
    67,854.10/93,639.22 = 37,641.41/x
  3. Step 3: Cross multiply
    67,854.10x = 93,639.22 × 37,641.41
  4. Step 4: Simplify right side
    67,854.10x = 3,524,711,803.90
  5. Step 5: Solve for x
    x = 3,524,711,803.90/67,854.10
  6. Step 6: Final answer
    x = 51,945.45

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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.