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Finding the Fourth Proportional to 6,338.32, 8,746.08 and 3,648.31

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Solution

The fourth proportional to 6,338.32, 8,746.08 and 3,648.31 is: 5,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.32 : 8,746.08 = 3,648.31 : x
  2. Step 2: Convert to fraction form
    6,338.32/8,746.08 = 3,648.31/x
  3. Step 3: Cross multiply
    6,338.32x = 8,746.08 × 3,648.31
  4. Step 4: Simplify right side
    6,338.32x = 31,908,375.58
  5. Step 5: Solve for x
    x = 31,908,375.58/6,338.32
  6. Step 6: Final answer
    x = 5,034.20

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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.