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Finding the Fourth Proportional to 67,937.36, 93,753.05 and 37,722.79

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Solution

The fourth proportional to 67,937.36, 93,753.05 and 37,722.79 is: 52,057.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,937.36 : 93,753.05 = 37,722.79 : x
  2. Step 2: Convert to fraction form
    67,937.36/93,753.05 = 37,722.79/x
  3. Step 3: Cross multiply
    67,937.36x = 93,753.05 × 37,722.79
  4. Step 4: Simplify right side
    67,937.36x = 3,536,626,281.91
  5. Step 5: Solve for x
    x = 3,536,626,281.91/67,937.36
  6. Step 6: Final answer
    x = 52,057.16

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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.