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Finding the Fourth Proportional to 25,571.04, 38,359.92 and 8,932.32

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Solution

The fourth proportional to 25,571.04, 38,359.92 and 8,932.32 is: 13,399.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,571.04 : 38,359.92 = 8,932.32 : x
  2. Step 2: Convert to fraction form
    25,571.04/38,359.92 = 8,932.32/x
  3. Step 3: Cross multiply
    25,571.04x = 38,359.92 × 8,932.32
  4. Step 4: Simplify right side
    25,571.04x = 342,643,080.61
  5. Step 5: Solve for x
    x = 342,643,080.61/25,571.04
  6. Step 6: Final answer
    x = 13,399.65

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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.