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Finding the Fourth Proportional to 15,294.88, 22,922.88 and 6,979.42

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Solution

The fourth proportional to 15,294.88, 22,922.88 and 6,979.42 is: 10,460.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,294.88 : 22,922.88 = 6,979.42 : x
  2. Step 2: Convert to fraction form
    15,294.88/22,922.88 = 6,979.42/x
  3. Step 3: Cross multiply
    15,294.88x = 22,922.88 × 6,979.42
  4. Step 4: Simplify right side
    15,294.88x = 159,988,407.13
  5. Step 5: Solve for x
    x = 159,988,407.13/15,294.88
  6. Step 6: Final answer
    x = 10,460.26

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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.