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Finding the Fourth Proportional to 58,274.66, 87,355.28 and 37,148.78

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Solution

The fourth proportional to 58,274.66, 87,355.28 and 37,148.78 is: 55,687.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,274.66 : 87,355.28 = 37,148.78 : x
  2. Step 2: Convert to fraction form
    58,274.66/87,355.28 = 37,148.78/x
  3. Step 3: Cross multiply
    58,274.66x = 87,355.28 × 37,148.78
  4. Step 4: Simplify right side
    58,274.66x = 3,245,142,389.82
  5. Step 5: Solve for x
    x = 3,245,142,389.82/58,274.66
  6. Step 6: Final answer
    x = 55,687.02

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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.