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Finding the Fourth Proportional to 58,360.60, 87,553.20 and 18,914.64

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Solution

The fourth proportional to 58,360.60, 87,553.20 and 18,914.64 is: 28,375.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,360.60 : 87,553.20 = 18,914.64 : x
  2. Step 2: Convert to fraction form
    58,360.60/87,553.20 = 18,914.64/x
  3. Step 3: Cross multiply
    58,360.60x = 87,553.20 × 18,914.64
  4. Step 4: Simplify right side
    58,360.60x = 1,656,036,726.51
  5. Step 5: Solve for x
    x = 1,656,036,726.51/58,360.60
  6. Step 6: Final answer
    x = 28,375.94

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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.