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Finding the Fourth Proportional to 58,745.92, 81,100.96 and 45,287.68

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Solution

The fourth proportional to 58,745.92, 81,100.96 and 45,287.68 is: 62,521.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,745.92 : 81,100.96 = 45,287.68 : x
  2. Step 2: Convert to fraction form
    58,745.92/81,100.96 = 45,287.68/x
  3. Step 3: Cross multiply
    58,745.92x = 81,100.96 × 45,287.68
  4. Step 4: Simplify right side
    58,745.92x = 3,672,874,324.17
  5. Step 5: Solve for x
    x = 3,672,874,324.17/58,745.92
  6. Step 6: Final answer
    x = 62,521.35

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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.