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Finding the Fourth Proportional to 22,681.98, 33,870.11 and 18,530.19

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Solution

The fourth proportional to 22,681.98, 33,870.11 and 18,530.19 is: 27,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,681.98 : 33,870.11 = 18,530.19 : x
  2. Step 2: Convert to fraction form
    22,681.98/33,870.11 = 18,530.19/x
  3. Step 3: Cross multiply
    22,681.98x = 33,870.11 × 18,530.19
  4. Step 4: Simplify right side
    22,681.98x = 627,619,480.97
  5. Step 5: Solve for x
    x = 627,619,480.97/22,681.98
  6. Step 6: Final answer
    x = 27,670.40

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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.