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Finding the Fourth Proportional to 48,465.73, 72,668.82 and 18,849.04

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Solution

The fourth proportional to 48,465.73, 72,668.82 and 18,849.04 is: 28,261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,465.73 : 72,668.82 = 18,849.04 : x
  2. Step 2: Convert to fraction form
    48,465.73/72,668.82 = 18,849.04/x
  3. Step 3: Cross multiply
    48,465.73x = 72,668.82 × 18,849.04
  4. Step 4: Simplify right side
    48,465.73x = 1,369,737,494.93
  5. Step 5: Solve for x
    x = 1,369,737,494.93/48,465.73
  6. Step 6: Final answer
    x = 28,261.98

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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.