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Finding the Fourth Proportional to 8,710.70, 13,066.05 and 6,268.55

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Solution

The fourth proportional to 8,710.70, 13,066.05 and 6,268.55 is: 9,402.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.70 : 13,066.05 = 6,268.55 : x
  2. Step 2: Convert to fraction form
    8,710.70/13,066.05 = 6,268.55/x
  3. Step 3: Cross multiply
    8,710.70x = 13,066.05 × 6,268.55
  4. Step 4: Simplify right side
    8,710.70x = 81,905,187.73
  5. Step 5: Solve for x
    x = 81,905,187.73/8,710.70
  6. Step 6: Final answer
    x = 9,402.83

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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.