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Finding the Fourth Proportional to 6,155.79, 8,494.70 and 3,502.95

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Solution

The fourth proportional to 6,155.79, 8,494.70 and 3,502.95 is: 4,833.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155.79 : 8,494.70 = 3,502.95 : x
  2. Step 2: Convert to fraction form
    6,155.79/8,494.70 = 3,502.95/x
  3. Step 3: Cross multiply
    6,155.79x = 8,494.70 × 3,502.95
  4. Step 4: Simplify right side
    6,155.79x = 29,756,491.85
  5. Step 5: Solve for x
    x = 29,756,491.85/6,155.79
  6. Step 6: Final answer
    x = 4,833.90

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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.