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Finding the Fourth Proportional to 74,773.96, 112,156.54 and 28,022.92

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Solution

The fourth proportional to 74,773.96, 112,156.54 and 28,022.92 is: 42,032.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,773.96 : 112,156.54 = 28,022.92 : x
  2. Step 2: Convert to fraction form
    74,773.96/112,156.54 = 28,022.92/x
  3. Step 3: Cross multiply
    74,773.96x = 112,156.54 × 28,022.92
  4. Step 4: Simplify right side
    74,773.96x = 3,142,953,747.90
  5. Step 5: Solve for x
    x = 3,142,953,747.90/74,773.96
  6. Step 6: Final answer
    x = 42,032.73

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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.