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Finding the Fourth Proportional to 7,256.48, 10,883.10 and 2,874.92

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Solution

The fourth proportional to 7,256.48, 10,883.10 and 2,874.92 is: 4,311.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,256.48 : 10,883.10 = 2,874.92 : x
  2. Step 2: Convert to fraction form
    7,256.48/10,883.10 = 2,874.92/x
  3. Step 3: Cross multiply
    7,256.48x = 10,883.10 × 2,874.92
  4. Step 4: Simplify right side
    7,256.48x = 31,288,041.85
  5. Step 5: Solve for x
    x = 31,288,041.85/7,256.48
  6. Step 6: Final answer
    x = 4,311.74

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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.