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Finding the Fourth Proportional to 85,026.96, 127,538.96 and 29,621.52

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Solution

The fourth proportional to 85,026.96, 127,538.96 and 29,621.52 is: 44,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,026.96 : 127,538.96 = 29,621.52 : x
  2. Step 2: Convert to fraction form
    85,026.96/127,538.96 = 29,621.52/x
  3. Step 3: Cross multiply
    85,026.96x = 127,538.96 × 29,621.52
  4. Step 4: Simplify right side
    85,026.96x = 3,777,897,854.42
  5. Step 5: Solve for x
    x = 3,777,897,854.42/85,026.96
  6. Step 6: Final answer
    x = 44,431.76

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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.