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Finding the Fourth Proportional to 22,123.04, 33,158.88 and 8,959.04

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Solution

The fourth proportional to 22,123.04, 33,158.88 and 8,959.04 is: 13,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,123.04 : 33,158.88 = 8,959.04 : x
  2. Step 2: Convert to fraction form
    22,123.04/33,158.88 = 8,959.04/x
  3. Step 3: Cross multiply
    22,123.04x = 33,158.88 × 8,959.04
  4. Step 4: Simplify right side
    22,123.04x = 297,071,732.28
  5. Step 5: Solve for x
    x = 297,071,732.28/22,123.04
  6. Step 6: Final answer
    x = 13,428.16

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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.