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Finding the Fourth Proportional to 58,407, 87,672.88 and 25,143.56

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Solution

The fourth proportional to 58,407, 87,672.88 and 25,143.56 is: 37,742.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,407 : 87,672.88 = 25,143.56 : x
  2. Step 2: Convert to fraction form
    58,407/87,672.88 = 25,143.56/x
  3. Step 3: Cross multiply
    58,407x = 87,672.88 × 25,143.56
  4. Step 4: Simplify right side
    58,407x = 2,204,408,318.65
  5. Step 5: Solve for x
    x = 2,204,408,318.65/58,407
  6. Step 6: Final answer
    x = 37,742.19

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1.5x scale

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.