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Finding the Fourth Proportional to 55,073.78, 76,002.02 and 29,923.28

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Solution

The fourth proportional to 55,073.78, 76,002.02 and 29,923.28 is: 41,294.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,073.78 : 76,002.02 = 29,923.28 : x
  2. Step 2: Convert to fraction form
    55,073.78/76,002.02 = 29,923.28/x
  3. Step 3: Cross multiply
    55,073.78x = 76,002.02 × 29,923.28
  4. Step 4: Simplify right side
    55,073.78x = 2,274,229,915.03
  5. Step 5: Solve for x
    x = 2,274,229,915.03/55,073.78
  6. Step 6: Final answer
    x = 41,294.24

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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.