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Finding the Fourth Proportional to 8,713.14, 13,070.19 and 2,557.62

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Solution

The fourth proportional to 8,713.14, 13,070.19 and 2,557.62 is: 3,836.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.14 : 13,070.19 = 2,557.62 : x
  2. Step 2: Convert to fraction form
    8,713.14/13,070.19 = 2,557.62/x
  3. Step 3: Cross multiply
    8,713.14x = 13,070.19 × 2,557.62
  4. Step 4: Simplify right side
    8,713.14x = 33,428,579.35
  5. Step 5: Solve for x
    x = 33,428,579.35/8,713.14
  6. Step 6: Final answer
    x = 3,836.57

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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.