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Finding the Fourth Proportional to 9,833.88, 14,750.99 and 5,479.02

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Solution

The fourth proportional to 9,833.88, 14,750.99 and 5,479.02 is: 8,218.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,833.88 : 14,750.99 = 5,479.02 : x
  2. Step 2: Convert to fraction form
    9,833.88/14,750.99 = 5,479.02/x
  3. Step 3: Cross multiply
    9,833.88x = 14,750.99 × 5,479.02
  4. Step 4: Simplify right side
    9,833.88x = 80,820,941.83
  5. Step 5: Solve for x
    x = 80,820,941.83/9,833.88
  6. Step 6: Final answer
    x = 8,218.62

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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.