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Finding the Fourth Proportional to 22,017.88, 33,041.88 and 8,871.28

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Solution

The fourth proportional to 22,017.88, 33,041.88 and 8,871.28 is: 13,312.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,017.88 : 33,041.88 = 8,871.28 : x
  2. Step 2: Convert to fraction form
    22,017.88/33,041.88 = 8,871.28/x
  3. Step 3: Cross multiply
    22,017.88x = 33,041.88 × 8,871.28
  4. Step 4: Simplify right side
    22,017.88x = 293,123,769.21
  5. Step 5: Solve for x
    x = 293,123,769.21/22,017.88
  6. Step 6: Final answer
    x = 13,312.99

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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.