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Finding the Fourth Proportional to 74,952.60, 112,443.30 and 38,016.60

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Solution

The fourth proportional to 74,952.60, 112,443.30 and 38,016.60 is: 57,032.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,952.60 : 112,443.30 = 38,016.60 : x
  2. Step 2: Convert to fraction form
    74,952.60/112,443.30 = 38,016.60/x
  3. Step 3: Cross multiply
    74,952.60x = 112,443.30 × 38,016.60
  4. Step 4: Simplify right side
    74,952.60x = 4,274,711,958.78
  5. Step 5: Solve for x
    x = 4,274,711,958.78/74,952.60
  6. Step 6: Final answer
    x = 57,032.20

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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.