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Finding the Fourth Proportional to 48,600.88, 72,911.04 and 15,326.08

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Solution

The fourth proportional to 48,600.88, 72,911.04 and 15,326.08 is: 22,992.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,600.88 : 72,911.04 = 15,326.08 : x
  2. Step 2: Convert to fraction form
    48,600.88/72,911.04 = 15,326.08/x
  3. Step 3: Cross multiply
    48,600.88x = 72,911.04 × 15,326.08
  4. Step 4: Simplify right side
    48,600.88x = 1,117,440,431.92
  5. Step 5: Solve for x
    x = 1,117,440,431.92/48,600.88
  6. Step 6: Final answer
    x = 22,992.19

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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.