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Finding the Fourth Proportional to 75,060.48, 112,491.36 and 39,924.48

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Solution

The fourth proportional to 75,060.48, 112,491.36 and 39,924.48 is: 59,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,060.48 : 112,491.36 = 39,924.48 : x
  2. Step 2: Convert to fraction form
    75,060.48/112,491.36 = 39,924.48/x
  3. Step 3: Cross multiply
    75,060.48x = 112,491.36 × 39,924.48
  4. Step 4: Simplify right side
    75,060.48x = 4,491,159,052.49
  5. Step 5: Solve for x
    x = 4,491,159,052.49/75,060.48
  6. Step 6: Final answer
    x = 59,833.87

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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.