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Finding the Fourth Proportional to 9,333.61, 14,002.54 and 2,759.55

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Solution

The fourth proportional to 9,333.61, 14,002.54 and 2,759.55 is: 4,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,333.61 : 14,002.54 = 2,759.55 : x
  2. Step 2: Convert to fraction form
    9,333.61/14,002.54 = 2,759.55/x
  3. Step 3: Cross multiply
    9,333.61x = 14,002.54 × 2,759.55
  4. Step 4: Simplify right side
    9,333.61x = 38,640,649.85
  5. Step 5: Solve for x
    x = 38,640,649.85/9,333.61
  6. Step 6: Final answer
    x = 4,139.95

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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.