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Finding the Fourth Proportional to 48,909.78, 67,495.44 and 26,553.78

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Solution

The fourth proportional to 48,909.78, 67,495.44 and 26,553.78 is: 36,644.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,909.78 : 67,495.44 = 26,553.78 : x
  2. Step 2: Convert to fraction form
    48,909.78/67,495.44 = 26,553.78/x
  3. Step 3: Cross multiply
    48,909.78x = 67,495.44 × 26,553.78
  4. Step 4: Simplify right side
    48,909.78x = 1,792,259,064.76
  5. Step 5: Solve for x
    x = 1,792,259,064.76/48,909.78
  6. Step 6: Final answer
    x = 36,644.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.