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Finding the Fourth Proportional to 10,062.79, 13,893.38 and 8,997.10

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Solution

The fourth proportional to 10,062.79, 13,893.38 and 8,997.10 is: 12,422.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,062.79 : 13,893.38 = 8,997.10 : x
  2. Step 2: Convert to fraction form
    10,062.79/13,893.38 = 8,997.10/x
  3. Step 3: Cross multiply
    10,062.79x = 13,893.38 × 8,997.10
  4. Step 4: Simplify right side
    10,062.79x = 125,000,129.20
  5. Step 5: Solve for x
    x = 125,000,129.20/10,062.79
  6. Step 6: Final answer
    x = 12,422.02

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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.