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Finding the Fourth Proportional to 15,328.88, 22,995.52 and 7,934.16

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Solution

The fourth proportional to 15,328.88, 22,995.52 and 7,934.16 is: 11,902.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,328.88 : 22,995.52 = 7,934.16 : x
  2. Step 2: Convert to fraction form
    15,328.88/22,995.52 = 7,934.16/x
  3. Step 3: Cross multiply
    15,328.88x = 22,995.52 × 7,934.16
  4. Step 4: Simplify right side
    15,328.88x = 182,450,134.96
  5. Step 5: Solve for x
    x = 182,450,134.96/15,328.88
  6. Step 6: Final answer
    x = 11,902.38

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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.