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Finding the Fourth Proportional to 48,473.40, 72,724.14 and 17,311.08

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Solution

The fourth proportional to 48,473.40, 72,724.14 and 17,311.08 is: 25,971.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,473.40 : 72,724.14 = 17,311.08 : x
  2. Step 2: Convert to fraction form
    48,473.40/72,724.14 = 17,311.08/x
  3. Step 3: Cross multiply
    48,473.40x = 72,724.14 × 17,311.08
  4. Step 4: Simplify right side
    48,473.40x = 1,258,933,405.47
  5. Step 5: Solve for x
    x = 1,258,933,405.47/48,473.40
  6. Step 6: Final answer
    x = 25,971.63

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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.