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Finding the Fourth Proportional to 7,266.70, 10,874.85 and 4,347.10

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Solution

The fourth proportional to 7,266.70, 10,874.85 and 4,347.10 is: 6,505.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,266.70 : 10,874.85 = 4,347.10 : x
  2. Step 2: Convert to fraction form
    7,266.70/10,874.85 = 4,347.10/x
  3. Step 3: Cross multiply
    7,266.70x = 10,874.85 × 4,347.10
  4. Step 4: Simplify right side
    7,266.70x = 47,274,060.44
  5. Step 5: Solve for x
    x = 47,274,060.44/7,266.70
  6. Step 6: Final answer
    x = 6,505.57

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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.