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Finding the Fourth Proportional to 6,394.86, 8,823.06 and 4,037.76

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Solution

The fourth proportional to 6,394.86, 8,823.06 and 4,037.76 is: 5,570.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,394.86 : 8,823.06 = 4,037.76 : x
  2. Step 2: Convert to fraction form
    6,394.86/8,823.06 = 4,037.76/x
  3. Step 3: Cross multiply
    6,394.86x = 8,823.06 × 4,037.76
  4. Step 4: Simplify right side
    6,394.86x = 35,625,398.75
  5. Step 5: Solve for x
    x = 35,625,398.75/6,394.86
  6. Step 6: Final answer
    x = 5,570.94

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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.