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Finding the Fourth Proportional to 72,472.60, 108,716.34 and 25,087.62

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Solution

The fourth proportional to 72,472.60, 108,716.34 and 25,087.62 is: 37,634.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,472.60 : 108,716.34 = 25,087.62 : x
  2. Step 2: Convert to fraction form
    72,472.60/108,716.34 = 25,087.62/x
  3. Step 3: Cross multiply
    72,472.60x = 108,716.34 × 25,087.62
  4. Step 4: Simplify right side
    72,472.60x = 2,727,434,225.71
  5. Step 5: Solve for x
    x = 2,727,434,225.71/72,472.60
  6. Step 6: Final answer
    x = 37,634.01

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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.