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Finding the Fourth Proportional to 48,488.93, 72,736.47 and 16,897.72

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Solution

The fourth proportional to 48,488.93, 72,736.47 and 16,897.72 is: 25,347.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,488.93 : 72,736.47 = 16,897.72 : x
  2. Step 2: Convert to fraction form
    48,488.93/72,736.47 = 16,897.72/x
  3. Step 3: Cross multiply
    48,488.93x = 72,736.47 × 16,897.72
  4. Step 4: Simplify right side
    48,488.93x = 1,229,080,503.85
  5. Step 5: Solve for x
    x = 1,229,080,503.85/48,488.93
  6. Step 6: Final answer
    x = 25,347.65

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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.