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Finding the Fourth Proportional to 5,879.49, 8,807.95 and 3,651.72

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Solution

The fourth proportional to 5,879.49, 8,807.95 and 3,651.72 is: 5,470.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.49 : 8,807.95 = 3,651.72 : x
  2. Step 2: Convert to fraction form
    5,879.49/8,807.95 = 3,651.72/x
  3. Step 3: Cross multiply
    5,879.49x = 8,807.95 × 3,651.72
  4. Step 4: Simplify right side
    5,879.49x = 32,164,167.17
  5. Step 5: Solve for x
    x = 32,164,167.17/5,879.49
  6. Step 6: Final answer
    x = 5,470.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.