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Finding the Fourth Proportional to 74,812.60, 112,167.06 and 28,052.92

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Solution

The fourth proportional to 74,812.60, 112,167.06 and 28,052.92 is: 42,059.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,812.60 : 112,167.06 = 28,052.92 : x
  2. Step 2: Convert to fraction form
    74,812.60/112,167.06 = 28,052.92/x
  3. Step 3: Cross multiply
    74,812.60x = 112,167.06 × 28,052.92
  4. Step 4: Simplify right side
    74,812.60x = 3,146,613,560.82
  5. Step 5: Solve for x
    x = 3,146,613,560.82/74,812.60
  6. Step 6: Final answer
    x = 42,059.94

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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.