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Finding the Fourth Proportional to 8,070.67, 11,132.67 and 4,881.70

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Solution

The fourth proportional to 8,070.67, 11,132.67 and 4,881.70 is: 6,733.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.67 : 11,132.67 = 4,881.70 : x
  2. Step 2: Convert to fraction form
    8,070.67/11,132.67 = 4,881.70/x
  3. Step 3: Cross multiply
    8,070.67x = 11,132.67 × 4,881.70
  4. Step 4: Simplify right side
    8,070.67x = 54,346,355.14
  5. Step 5: Solve for x
    x = 54,346,355.14/8,070.67
  6. Step 6: Final answer
    x = 6,733.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.