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Finding the Fourth Proportional to 58,908.70, 88,233.45 and 51,132.70

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Solution

The fourth proportional to 58,908.70, 88,233.45 and 51,132.70 is: 76,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,908.70 : 88,233.45 = 51,132.70 : x
  2. Step 2: Convert to fraction form
    58,908.70/88,233.45 = 51,132.70/x
  3. Step 3: Cross multiply
    58,908.70x = 88,233.45 × 51,132.70
  4. Step 4: Simplify right side
    58,908.70x = 4,511,614,528.82
  5. Step 5: Solve for x
    x = 4,511,614,528.82/58,908.70
  6. Step 6: Final answer
    x = 76,586.56

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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.