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Finding the Fourth Proportional to 8,958.88, 13,446.80 and 6,588.80

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Solution

The fourth proportional to 8,958.88, 13,446.80 and 6,588.80 is: 9,889.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.88 : 13,446.80 = 6,588.80 : x
  2. Step 2: Convert to fraction form
    8,958.88/13,446.80 = 6,588.80/x
  3. Step 3: Cross multiply
    8,958.88x = 13,446.80 × 6,588.80
  4. Step 4: Simplify right side
    8,958.88x = 88,598,275.84
  5. Step 5: Solve for x
    x = 88,598,275.84/8,958.88
  6. Step 6: Final answer
    x = 9,889.44

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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.