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Finding the Fourth Proportional to 6,244.64, 8,613.78 and 4,256.10

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Solution

The fourth proportional to 6,244.64, 8,613.78 and 4,256.10 is: 5,870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,244.64 : 8,613.78 = 4,256.10 : x
  2. Step 2: Convert to fraction form
    6,244.64/8,613.78 = 4,256.10/x
  3. Step 3: Cross multiply
    6,244.64x = 8,613.78 × 4,256.10
  4. Step 4: Simplify right side
    6,244.64x = 36,661,109.06
  5. Step 5: Solve for x
    x = 36,661,109.06/6,244.64
  6. Step 6: Final answer
    x = 5,870.81

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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.