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Finding the Fourth Proportional to 8,598.60, 12,880.80 and 6,741

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Solution

The fourth proportional to 8,598.60, 12,880.80 and 6,741 is: 10,098.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.60 : 12,880.80 = 6,741 : x
  2. Step 2: Convert to fraction form
    8,598.60/12,880.80 = 6,741/x
  3. Step 3: Cross multiply
    8,598.60x = 12,880.80 × 6,741
  4. Step 4: Simplify right side
    8,598.60x = 86,829,472.80
  5. Step 5: Solve for x
    x = 86,829,472.80/8,598.60
  6. Step 6: Final answer
    x = 10,098.09

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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.