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Finding the Fourth Proportional to 8,881.74, 13,309.90 and 6,523.24

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Solution

The fourth proportional to 8,881.74, 13,309.90 and 6,523.24 is: 9,775.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.74 : 13,309.90 = 6,523.24 : x
  2. Step 2: Convert to fraction form
    8,881.74/13,309.90 = 6,523.24/x
  3. Step 3: Cross multiply
    8,881.74x = 13,309.90 × 6,523.24
  4. Step 4: Simplify right side
    8,881.74x = 86,823,672.08
  5. Step 5: Solve for x
    x = 86,823,672.08/8,881.74
  6. Step 6: Final answer
    x = 9,775.53

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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.