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Finding the Fourth Proportional to 58,411.92, 87,612.96 and 25,130.64

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Solution

The fourth proportional to 58,411.92, 87,612.96 and 25,130.64 is: 37,693.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,411.92 : 87,612.96 = 25,130.64 : x
  2. Step 2: Convert to fraction form
    58,411.92/87,612.96 = 25,130.64/x
  3. Step 3: Cross multiply
    58,411.92x = 87,612.96 × 25,130.64
  4. Step 4: Simplify right side
    58,411.92x = 2,201,769,757.09
  5. Step 5: Solve for x
    x = 2,201,769,757.09/58,411.92
  6. Step 6: Final answer
    x = 37,693.84

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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.