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Finding the Fourth Proportional to 22,711.46, 34,057.46 and 7,130.30

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Solution

The fourth proportional to 22,711.46, 34,057.46 and 7,130.30 is: 10,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,711.46 : 34,057.46 = 7,130.30 : x
  2. Step 2: Convert to fraction form
    22,711.46/34,057.46 = 7,130.30/x
  3. Step 3: Cross multiply
    22,711.46x = 34,057.46 × 7,130.30
  4. Step 4: Simplify right side
    22,711.46x = 242,839,907.04
  5. Step 5: Solve for x
    x = 242,839,907.04/22,711.46
  6. Step 6: Final answer
    x = 10,692.40

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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.