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Finding the Fourth Proportional to 8,506.60, 12,759.90 and 6,562.60

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Solution

The fourth proportional to 8,506.60, 12,759.90 and 6,562.60 is: 9,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.60 : 12,759.90 = 6,562.60 : x
  2. Step 2: Convert to fraction form
    8,506.60/12,759.90 = 6,562.60/x
  3. Step 3: Cross multiply
    8,506.60x = 12,759.90 × 6,562.60
  4. Step 4: Simplify right side
    8,506.60x = 83,738,119.74
  5. Step 5: Solve for x
    x = 83,738,119.74/8,506.60
  6. Step 6: Final answer
    x = 9,843.90

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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.