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Finding the Fourth Proportional to 58,889.80, 88,358.15 and 21,452.41

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Solution

The fourth proportional to 58,889.80, 88,358.15 and 21,452.41 is: 32,187.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,889.80 : 88,358.15 = 21,452.41 : x
  2. Step 2: Convert to fraction form
    58,889.80/88,358.15 = 21,452.41/x
  3. Step 3: Cross multiply
    58,889.80x = 88,358.15 × 21,452.41
  4. Step 4: Simplify right side
    58,889.80x = 1,895,495,260.64
  5. Step 5: Solve for x
    x = 1,895,495,260.64/58,889.80
  6. Step 6: Final answer
    x = 32,187.16

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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.