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Finding the Fourth Proportional to 60,575.04, 90,722.16 and 58,473.90

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Solution

The fourth proportional to 60,575.04, 90,722.16 and 58,473.90 is: 87,575.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,575.04 : 90,722.16 = 58,473.90 : x
  2. Step 2: Convert to fraction form
    60,575.04/90,722.16 = 58,473.90/x
  3. Step 3: Cross multiply
    60,575.04x = 90,722.16 × 58,473.90
  4. Step 4: Simplify right side
    60,575.04x = 5,304,878,511.62
  5. Step 5: Solve for x
    x = 5,304,878,511.62/60,575.04
  6. Step 6: Final answer
    x = 87,575.32

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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.