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Finding the Fourth Proportional to 8,811.60, 13,217.40 and 6,592.74

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Solution

The fourth proportional to 8,811.60, 13,217.40 and 6,592.74 is: 9,889.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.60 : 13,217.40 = 6,592.74 : x
  2. Step 2: Convert to fraction form
    8,811.60/13,217.40 = 6,592.74/x
  3. Step 3: Cross multiply
    8,811.60x = 13,217.40 × 6,592.74
  4. Step 4: Simplify right side
    8,811.60x = 87,138,881.68
  5. Step 5: Solve for x
    x = 87,138,881.68/8,811.60
  6. Step 6: Final answer
    x = 9,889.11

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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.