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Finding the Fourth Proportional to 51,882.54, 71,569.62 and 45,156.30

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Solution

The fourth proportional to 51,882.54, 71,569.62 and 45,156.30 is: 62,291.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,882.54 : 71,569.62 = 45,156.30 : x
  2. Step 2: Convert to fraction form
    51,882.54/71,569.62 = 45,156.30/x
  3. Step 3: Cross multiply
    51,882.54x = 71,569.62 × 45,156.30
  4. Step 4: Simplify right side
    51,882.54x = 3,231,819,231.61
  5. Step 5: Solve for x
    x = 3,231,819,231.61/51,882.54
  6. Step 6: Final answer
    x = 62,291.08

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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.