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Finding the Fourth Proportional to 60,507.23, 90,748.88 and 57,506.72

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Solution

The fourth proportional to 60,507.23, 90,748.88 and 57,506.72 is: 86,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,507.23 : 90,748.88 = 57,506.72 : x
  2. Step 2: Convert to fraction form
    60,507.23/90,748.88 = 57,506.72/x
  3. Step 3: Cross multiply
    60,507.23x = 90,748.88 × 57,506.72
  4. Step 4: Simplify right side
    60,507.23x = 5,218,669,691.20
  5. Step 5: Solve for x
    x = 5,218,669,691.20/60,507.23
  6. Step 6: Final answer
    x = 86,248.70

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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.