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Finding the Fourth Proportional to 8,766.70, 13,150.05 and 8,046.70

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Solution

The fourth proportional to 8,766.70, 13,150.05 and 8,046.70 is: 12,070.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.70 : 13,150.05 = 8,046.70 : x
  2. Step 2: Convert to fraction form
    8,766.70/13,150.05 = 8,046.70/x
  3. Step 3: Cross multiply
    8,766.70x = 13,150.05 × 8,046.70
  4. Step 4: Simplify right side
    8,766.70x = 105,814,507.34
  5. Step 5: Solve for x
    x = 105,814,507.34/8,766.70
  6. Step 6: Final answer
    x = 12,070.05

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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.