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Finding the Fourth Proportional to 55,244.70, 82,851.90 and 15,254.12

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Solution

The fourth proportional to 55,244.70, 82,851.90 and 15,254.12 is: 22,877.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,244.70 : 82,851.90 = 15,254.12 : x
  2. Step 2: Convert to fraction form
    55,244.70/82,851.90 = 15,254.12/x
  3. Step 3: Cross multiply
    55,244.70x = 82,851.90 × 15,254.12
  4. Step 4: Simplify right side
    55,244.70x = 1,263,832,974.75
  5. Step 5: Solve for x
    x = 1,263,832,974.75/55,244.70
  6. Step 6: Final answer
    x = 22,877.00

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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.