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Finding the Fourth Proportional to 58,490.47, 87,735.72 and 22,968.55

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Solution

The fourth proportional to 58,490.47, 87,735.72 and 22,968.55 is: 34,452.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,490.47 : 87,735.72 = 22,968.55 : x
  2. Step 2: Convert to fraction form
    58,490.47/87,735.72 = 22,968.55/x
  3. Step 3: Cross multiply
    58,490.47x = 87,735.72 × 22,968.55
  4. Step 4: Simplify right side
    58,490.47x = 2,015,162,271.61
  5. Step 5: Solve for x
    x = 2,015,162,271.61/58,490.47
  6. Step 6: Final answer
    x = 34,452.83

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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.