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Finding the Fourth Proportional to 75,173.47, 112,761.72 and 27,764.12

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Solution

The fourth proportional to 75,173.47, 112,761.72 and 27,764.12 is: 41,646.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,173.47 : 112,761.72 = 27,764.12 : x
  2. Step 2: Convert to fraction form
    75,173.47/112,761.72 = 27,764.12/x
  3. Step 3: Cross multiply
    75,173.47x = 112,761.72 × 27,764.12
  4. Step 4: Simplify right side
    75,173.47x = 3,130,730,207.39
  5. Step 5: Solve for x
    x = 3,130,730,207.39/75,173.47
  6. Step 6: Final answer
    x = 41,646.74

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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.