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Finding the Fourth Proportional to 22,715.79, 34,079.08 and 7,133.42

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Solution

The fourth proportional to 22,715.79, 34,079.08 and 7,133.42 is: 10,701.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,715.79 : 34,079.08 = 7,133.42 : x
  2. Step 2: Convert to fraction form
    22,715.79/34,079.08 = 7,133.42/x
  3. Step 3: Cross multiply
    22,715.79x = 34,079.08 × 7,133.42
  4. Step 4: Simplify right side
    22,715.79x = 243,100,279.90
  5. Step 5: Solve for x
    x = 243,100,279.90/22,715.79
  6. Step 6: Final answer
    x = 10,701.82

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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.