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Finding the Fourth Proportional to 58,130.66, 87,195.72 and 38,497.16

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Solution

The fourth proportional to 58,130.66, 87,195.72 and 38,497.16 is: 57,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,130.66 : 87,195.72 = 38,497.16 : x
  2. Step 2: Convert to fraction form
    58,130.66/87,195.72 = 38,497.16/x
  3. Step 3: Cross multiply
    58,130.66x = 87,195.72 × 38,497.16
  4. Step 4: Simplify right side
    58,130.66x = 3,356,787,584.16
  5. Step 5: Solve for x
    x = 3,356,787,584.16/58,130.66
  6. Step 6: Final answer
    x = 57,745.56

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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.