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Finding the Fourth Proportional to 58,082.40, 86,948.10 and 52,538.22

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Solution

The fourth proportional to 58,082.40, 86,948.10 and 52,538.22 is: 78,648.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,082.40 : 86,948.10 = 52,538.22 : x
  2. Step 2: Convert to fraction form
    58,082.40/86,948.10 = 52,538.22/x
  3. Step 3: Cross multiply
    58,082.40x = 86,948.10 × 52,538.22
  4. Step 4: Simplify right side
    58,082.40x = 4,568,098,406.38
  5. Step 5: Solve for x
    x = 4,568,098,406.38/58,082.40
  6. Step 6: Final answer
    x = 78,648.58

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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.