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Finding the Fourth Proportional to 6,294.24, 8,686.44 and 3,499.74

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Solution

The fourth proportional to 6,294.24, 8,686.44 and 3,499.74 is: 4,829.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,294.24 : 8,686.44 = 3,499.74 : x
  2. Step 2: Convert to fraction form
    6,294.24/8,686.44 = 3,499.74/x
  3. Step 3: Cross multiply
    6,294.24x = 8,686.44 × 3,499.74
  4. Step 4: Simplify right side
    6,294.24x = 30,400,281.53
  5. Step 5: Solve for x
    x = 30,400,281.53/6,294.24
  6. Step 6: Final answer
    x = 4,829.86

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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.