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Finding the Fourth Proportional to 48,296.79, 72,449.79 and 15,007.89

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Solution

The fourth proportional to 48,296.79, 72,449.79 and 15,007.89 is: 22,513.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,296.79 : 72,449.79 = 15,007.89 : x
  2. Step 2: Convert to fraction form
    48,296.79/72,449.79 = 15,007.89/x
  3. Step 3: Cross multiply
    48,296.79x = 72,449.79 × 15,007.89
  4. Step 4: Simplify right side
    48,296.79x = 1,087,318,478.84
  5. Step 5: Solve for x
    x = 1,087,318,478.84/48,296.79
  6. Step 6: Final answer
    x = 22,513.27

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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.