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Finding the Fourth Proportional to 55,755.66, 76,957.56 and 34,522.86

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Solution

The fourth proportional to 55,755.66, 76,957.56 and 34,522.86 is: 47,650.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,755.66 : 76,957.56 = 34,522.86 : x
  2. Step 2: Convert to fraction form
    55,755.66/76,957.56 = 34,522.86/x
  3. Step 3: Cross multiply
    55,755.66x = 76,957.56 × 34,522.86
  4. Step 4: Simplify right side
    55,755.66x = 2,656,795,069.82
  5. Step 5: Solve for x
    x = 2,656,795,069.82/55,755.66
  6. Step 6: Final answer
    x = 47,650.68

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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.