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Finding the Fourth Proportional to 71,507.75, 107,261.69 and 36,472.01

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Solution

The fourth proportional to 71,507.75, 107,261.69 and 36,472.01 is: 54,708.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,507.75 : 107,261.69 = 36,472.01 : x
  2. Step 2: Convert to fraction form
    71,507.75/107,261.69 = 36,472.01/x
  3. Step 3: Cross multiply
    71,507.75x = 107,261.69 × 36,472.01
  4. Step 4: Simplify right side
    71,507.75x = 3,912,048,711.63
  5. Step 5: Solve for x
    x = 3,912,048,711.63/71,507.75
  6. Step 6: Final answer
    x = 54,708.04

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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.