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Finding the Fourth Proportional to 22,570.68, 33,701.65 and 18,363.16

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Solution

The fourth proportional to 22,570.68, 33,701.65 and 18,363.16 is: 27,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,570.68 : 33,701.65 = 18,363.16 : x
  2. Step 2: Convert to fraction form
    22,570.68/33,701.65 = 18,363.16/x
  3. Step 3: Cross multiply
    22,570.68x = 33,701.65 × 18,363.16
  4. Step 4: Simplify right side
    22,570.68x = 618,868,791.21
  5. Step 5: Solve for x
    x = 618,868,791.21/22,570.68
  6. Step 6: Final answer
    x = 27,419.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.