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Finding the Fourth Proportional to 48,248.73, 72,484.29 and 46,255.86

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Solution

The fourth proportional to 48,248.73, 72,484.29 and 46,255.86 is: 69,490.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,248.73 : 72,484.29 = 46,255.86 : x
  2. Step 2: Convert to fraction form
    48,248.73/72,484.29 = 46,255.86/x
  3. Step 3: Cross multiply
    48,248.73x = 72,484.29 × 46,255.86
  4. Step 4: Simplify right side
    48,248.73x = 3,352,823,170.44
  5. Step 5: Solve for x
    x = 3,352,823,170.44/48,248.73
  6. Step 6: Final answer
    x = 69,490.39

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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.