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Finding the Fourth Proportional to 22,321.16, 30,725.88 and 19,294.88

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Solution

The fourth proportional to 22,321.16, 30,725.88 and 19,294.88 is: 26,560.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,321.16 : 30,725.88 = 19,294.88 : x
  2. Step 2: Convert to fraction form
    22,321.16/30,725.88 = 19,294.88/x
  3. Step 3: Cross multiply
    22,321.16x = 30,725.88 × 19,294.88
  4. Step 4: Simplify right side
    22,321.16x = 592,852,167.49
  5. Step 5: Solve for x
    x = 592,852,167.49/22,321.16
  6. Step 6: Final answer
    x = 26,560.10

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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.