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Finding the Fourth Proportional to 6,702.76, 9,250.46 and 5,581.72

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Solution

The fourth proportional to 6,702.76, 9,250.46 and 5,581.72 is: 7,703.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,702.76 : 9,250.46 = 5,581.72 : x
  2. Step 2: Convert to fraction form
    6,702.76/9,250.46 = 5,581.72/x
  3. Step 3: Cross multiply
    6,702.76x = 9,250.46 × 5,581.72
  4. Step 4: Simplify right side
    6,702.76x = 51,633,468.42
  5. Step 5: Solve for x
    x = 51,633,468.42/6,702.76
  6. Step 6: Final answer
    x = 7,703.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.