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Finding the Fourth Proportional to 22,463.01, 30,979.26 and 17,985.13

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Solution

The fourth proportional to 22,463.01, 30,979.26 and 17,985.13 is: 24,803.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,463.01 : 30,979.26 = 17,985.13 : x
  2. Step 2: Convert to fraction form
    22,463.01/30,979.26 = 17,985.13/x
  3. Step 3: Cross multiply
    22,463.01x = 30,979.26 × 17,985.13
  4. Step 4: Simplify right side
    22,463.01x = 557,165,940.96
  5. Step 5: Solve for x
    x = 557,165,940.96/22,463.01
  6. Step 6: Final answer
    x = 24,803.71

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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.