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Finding the Fourth Proportional to 58,598.52, 87,890.80 and 15,318.60

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Solution

The fourth proportional to 58,598.52, 87,890.80 and 15,318.60 is: 22,976.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,598.52 : 87,890.80 = 15,318.60 : x
  2. Step 2: Convert to fraction form
    58,598.52/87,890.80 = 15,318.60/x
  3. Step 3: Cross multiply
    58,598.52x = 87,890.80 × 15,318.60
  4. Step 4: Simplify right side
    58,598.52x = 1,346,364,008.88
  5. Step 5: Solve for x
    x = 1,346,364,008.88/58,598.52
  6. Step 6: Final answer
    x = 22,976.08

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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.