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Finding the Fourth Proportional to 8,690.93, 13,005.26 and 7,524.97

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Solution

The fourth proportional to 8,690.93, 13,005.26 and 7,524.97 is: 11,260.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690.93 : 13,005.26 = 7,524.97 : x
  2. Step 2: Convert to fraction form
    8,690.93/13,005.26 = 7,524.97/x
  3. Step 3: Cross multiply
    8,690.93x = 13,005.26 × 7,524.97
  4. Step 4: Simplify right side
    8,690.93x = 97,864,149.42
  5. Step 5: Solve for x
    x = 97,864,149.42/8,690.93
  6. Step 6: Final answer
    x = 11,260.49

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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.