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Finding the Fourth Proportional to 58,672.32, 87,840.78 and 54,948.04

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Solution

The fourth proportional to 58,672.32, 87,840.78 and 54,948.04 is: 82,265.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,672.32 : 87,840.78 = 54,948.04 : x
  2. Step 2: Convert to fraction form
    58,672.32/87,840.78 = 54,948.04/x
  3. Step 3: Cross multiply
    58,672.32x = 87,840.78 × 54,948.04
  4. Step 4: Simplify right side
    58,672.32x = 4,826,678,693.07
  5. Step 5: Solve for x
    x = 4,826,678,693.07/58,672.32
  6. Step 6: Final answer
    x = 82,265.00

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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.