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Finding the Fourth Proportional to 58,367.01, 87,410.15 and 33,331.18

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Solution

The fourth proportional to 58,367.01, 87,410.15 and 33,331.18 is: 49,916.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,367.01 : 87,410.15 = 33,331.18 : x
  2. Step 2: Convert to fraction form
    58,367.01/87,410.15 = 33,331.18/x
  3. Step 3: Cross multiply
    58,367.01x = 87,410.15 × 33,331.18
  4. Step 4: Simplify right side
    58,367.01x = 2,913,483,534.67
  5. Step 5: Solve for x
    x = 2,913,483,534.67/58,367.01
  6. Step 6: Final answer
    x = 49,916.61

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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.