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Finding the Fourth Proportional to 6,248.32, 8,621.85 and 4,013.23

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Solution

The fourth proportional to 6,248.32, 8,621.85 and 4,013.23 is: 5,537.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248.32 : 8,621.85 = 4,013.23 : x
  2. Step 2: Convert to fraction form
    6,248.32/8,621.85 = 4,013.23/x
  3. Step 3: Cross multiply
    6,248.32x = 8,621.85 × 4,013.23
  4. Step 4: Simplify right side
    6,248.32x = 34,601,423.97
  5. Step 5: Solve for x
    x = 34,601,423.97/6,248.32
  6. Step 6: Final answer
    x = 5,537.72

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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.