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Finding the Fourth Proportional to 22,715.28, 34,020 and 21,927.06

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Solution

The fourth proportional to 22,715.28, 34,020 and 21,927.06 is: 32,839.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,715.28 : 34,020 = 21,927.06 : x
  2. Step 2: Convert to fraction form
    22,715.28/34,020 = 21,927.06/x
  3. Step 3: Cross multiply
    22,715.28x = 34,020 × 21,927.06
  4. Step 4: Simplify right side
    22,715.28x = 745,958,581.20
  5. Step 5: Solve for x
    x = 745,958,581.20/22,715.28
  6. Step 6: Final answer
    x = 32,839.51

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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.