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Finding the Fourth Proportional to 58,474.76, 87,721.34 and 25,204.28

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Solution

The fourth proportional to 58,474.76, 87,721.34 and 25,204.28 is: 37,810.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,474.76 : 87,721.34 = 25,204.28 : x
  2. Step 2: Convert to fraction form
    58,474.76/87,721.34 = 25,204.28/x
  3. Step 3: Cross multiply
    58,474.76x = 87,721.34 × 25,204.28
  4. Step 4: Simplify right side
    58,474.76x = 2,210,952,650.71
  5. Step 5: Solve for x
    x = 2,210,952,650.71/58,474.76
  6. Step 6: Final answer
    x = 37,810.38

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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.