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Finding the Fourth Proportional to 10,720.30, 14,793.98 and 6,182.97

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Solution

The fourth proportional to 10,720.30, 14,793.98 and 6,182.97 is: 8,532.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.30 : 14,793.98 = 6,182.97 : x
  2. Step 2: Convert to fraction form
    10,720.30/14,793.98 = 6,182.97/x
  3. Step 3: Cross multiply
    10,720.30x = 14,793.98 × 6,182.97
  4. Step 4: Simplify right side
    10,720.30x = 91,470,734.52
  5. Step 5: Solve for x
    x = 91,470,734.52/10,720.30
  6. Step 6: Final answer
    x = 8,532.48

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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.