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Finding the Fourth Proportional to 5,615.91, 8,425.95 and 2,329.32

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Solution

The fourth proportional to 5,615.91, 8,425.95 and 2,329.32 is: 3,494.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.91 : 8,425.95 = 2,329.32 : x
  2. Step 2: Convert to fraction form
    5,615.91/8,425.95 = 2,329.32/x
  3. Step 3: Cross multiply
    5,615.91x = 8,425.95 × 2,329.32
  4. Step 4: Simplify right side
    5,615.91x = 19,626,733.85
  5. Step 5: Solve for x
    x = 19,626,733.85/5,615.91
  6. Step 6: Final answer
    x = 3,494.84

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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.