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Finding the Fourth Proportional to 75,037.92, 112,562.80 and 25,118.20

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Solution

The fourth proportional to 75,037.92, 112,562.80 and 25,118.20 is: 37,679.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,037.92 : 112,562.80 = 25,118.20 : x
  2. Step 2: Convert to fraction form
    75,037.92/112,562.80 = 25,118.20/x
  3. Step 3: Cross multiply
    75,037.92x = 112,562.80 × 25,118.20
  4. Step 4: Simplify right side
    75,037.92x = 2,827,374,922.96
  5. Step 5: Solve for x
    x = 2,827,374,922.96/75,037.92
  6. Step 6: Final answer
    x = 37,679.28

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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.