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Finding the Fourth Proportional to 8,307.27, 12,447.90 and 7,069.59

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Solution

The fourth proportional to 8,307.27, 12,447.90 and 7,069.59 is: 10,593.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.27 : 12,447.90 = 7,069.59 : x
  2. Step 2: Convert to fraction form
    8,307.27/12,447.90 = 7,069.59/x
  3. Step 3: Cross multiply
    8,307.27x = 12,447.90 × 7,069.59
  4. Step 4: Simplify right side
    8,307.27x = 88,001,549.36
  5. Step 5: Solve for x
    x = 88,001,549.36/8,307.27
  6. Step 6: Final answer
    x = 10,593.32

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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.