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Finding the Fourth Proportional to 25,314.54, 34,932.54 and 15,246.24

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Solution

The fourth proportional to 25,314.54, 34,932.54 and 15,246.24 is: 21,038.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,314.54 : 34,932.54 = 15,246.24 : x
  2. Step 2: Convert to fraction form
    25,314.54/34,932.54 = 15,246.24/x
  3. Step 3: Cross multiply
    25,314.54x = 34,932.54 × 15,246.24
  4. Step 4: Simplify right side
    25,314.54x = 532,589,888.65
  5. Step 5: Solve for x
    x = 532,589,888.65/25,314.54
  6. Step 6: Final answer
    x = 21,038.89

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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.