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Finding the Fourth Proportional to 6,863.58, 9,472.58 and 4,476.11

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Solution

The fourth proportional to 6,863.58, 9,472.58 and 4,476.11 is: 6,177.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,863.58 : 9,472.58 = 4,476.11 : x
  2. Step 2: Convert to fraction form
    6,863.58/9,472.58 = 4,476.11/x
  3. Step 3: Cross multiply
    6,863.58x = 9,472.58 × 4,476.11
  4. Step 4: Simplify right side
    6,863.58x = 42,400,273.89
  5. Step 5: Solve for x
    x = 42,400,273.89/6,863.58
  6. Step 6: Final answer
    x = 6,177.57

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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.