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Finding the Fourth Proportional to 73,017.60, 109,527.32 and 25,630.80

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Solution

The fourth proportional to 73,017.60, 109,527.32 and 25,630.80 is: 38,446.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,017.60 : 109,527.32 = 25,630.80 : x
  2. Step 2: Convert to fraction form
    73,017.60/109,527.32 = 25,630.80/x
  3. Step 3: Cross multiply
    73,017.60x = 109,527.32 × 25,630.80
  4. Step 4: Simplify right side
    73,017.60x = 2,807,272,833.46
  5. Step 5: Solve for x
    x = 2,807,272,833.46/73,017.60
  6. Step 6: Final answer
    x = 38,446.52

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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.