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Finding the Fourth Proportional to 71,192.97, 106,805.65 and 37,895.49

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Solution

The fourth proportional to 71,192.97, 106,805.65 and 37,895.49 is: 56,851.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,192.97 : 106,805.65 = 37,895.49 : x
  2. Step 2: Convert to fraction form
    71,192.97/106,805.65 = 37,895.49/x
  3. Step 3: Cross multiply
    71,192.97x = 106,805.65 × 37,895.49
  4. Step 4: Simplify right side
    71,192.97x = 4,047,452,441.52
  5. Step 5: Solve for x
    x = 4,047,452,441.52/71,192.97
  6. Step 6: Final answer
    x = 56,851.86

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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.