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Finding the Fourth Proportional to 8,756.74, 13,050.17 and 8,476.55

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Solution

The fourth proportional to 8,756.74, 13,050.17 and 8,476.55 is: 12,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.74 : 13,050.17 = 8,476.55 : x
  2. Step 2: Convert to fraction form
    8,756.74/13,050.17 = 8,476.55/x
  3. Step 3: Cross multiply
    8,756.74x = 13,050.17 × 8,476.55
  4. Step 4: Simplify right side
    8,756.74x = 110,620,353.26
  5. Step 5: Solve for x
    x = 110,620,353.26/8,756.74
  6. Step 6: Final answer
    x = 12,632.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.