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Finding the Fourth Proportional to 58,477.71, 87,563.88 and 38,424.15

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Solution

The fourth proportional to 58,477.71, 87,563.88 and 38,424.15 is: 57,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,477.71 : 87,563.88 = 38,424.15 : x
  2. Step 2: Convert to fraction form
    58,477.71/87,563.88 = 38,424.15/x
  3. Step 3: Cross multiply
    58,477.71x = 87,563.88 × 38,424.15
  4. Step 4: Simplify right side
    58,477.71x = 3,364,567,659.70
  5. Step 5: Solve for x
    x = 3,364,567,659.70/58,477.71
  6. Step 6: Final answer
    x = 57,535.90

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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.