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Finding the Fourth Proportional to 48,388.80, 72,604.80 and 17,246.40

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Solution

The fourth proportional to 48,388.80, 72,604.80 and 17,246.40 is: 25,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,388.80 : 72,604.80 = 17,246.40 : x
  2. Step 2: Convert to fraction form
    48,388.80/72,604.80 = 17,246.40/x
  3. Step 3: Cross multiply
    48,388.80x = 72,604.80 × 17,246.40
  4. Step 4: Simplify right side
    48,388.80x = 1,252,171,422.72
  5. Step 5: Solve for x
    x = 1,252,171,422.72/48,388.80
  6. Step 6: Final answer
    x = 25,877.30

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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.