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Finding the Fourth Proportional to 6,244.86, 8,610.90 and 4,256.58

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Solution

The fourth proportional to 6,244.86, 8,610.90 and 4,256.58 is: 5,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,244.86 : 8,610.90 = 4,256.58 : x
  2. Step 2: Convert to fraction form
    6,244.86/8,610.90 = 4,256.58/x
  3. Step 3: Cross multiply
    6,244.86x = 8,610.90 × 4,256.58
  4. Step 4: Simplify right side
    6,244.86x = 36,652,984.72
  5. Step 5: Solve for x
    x = 36,652,984.72/6,244.86
  6. Step 6: Final answer
    x = 5,869.30

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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.