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Finding the Fourth Proportional to 15,246.56, 22,872.56 and 5,391.56

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Solution

The fourth proportional to 15,246.56, 22,872.56 and 5,391.56 is: 8,088.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,246.56 : 22,872.56 = 5,391.56 : x
  2. Step 2: Convert to fraction form
    15,246.56/22,872.56 = 5,391.56/x
  3. Step 3: Cross multiply
    15,246.56x = 22,872.56 × 5,391.56
  4. Step 4: Simplify right side
    15,246.56x = 123,318,779.59
  5. Step 5: Solve for x
    x = 123,318,779.59/15,246.56
  6. Step 6: Final answer
    x = 8,088.30

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1.5x scale

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.