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Finding the Fourth Proportional to 6,475.55, 8,927.21 and 5,476.82

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Solution

The fourth proportional to 6,475.55, 8,927.21 and 5,476.82 is: 7,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.55 : 8,927.21 = 5,476.82 : x
  2. Step 2: Convert to fraction form
    6,475.55/8,927.21 = 5,476.82/x
  3. Step 3: Cross multiply
    6,475.55x = 8,927.21 × 5,476.82
  4. Step 4: Simplify right side
    6,475.55x = 48,892,691.33
  5. Step 5: Solve for x
    x = 48,892,691.33/6,475.55
  6. Step 6: Final answer
    x = 7,550.36

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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.