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Finding the Fourth Proportional to 58,057.20, 80,125.20 and 32,904

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Solution

The fourth proportional to 58,057.20, 80,125.20 and 32,904 is: 45,411.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,057.20 : 80,125.20 = 32,904 : x
  2. Step 2: Convert to fraction form
    58,057.20/80,125.20 = 32,904/x
  3. Step 3: Cross multiply
    58,057.20x = 80,125.20 × 32,904
  4. Step 4: Simplify right side
    58,057.20x = 2,636,439,580.80
  5. Step 5: Solve for x
    x = 2,636,439,580.80/58,057.20
  6. Step 6: Final answer
    x = 45,411.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.