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Finding the Fourth Proportional to 8,522.60, 12,773.70 and 5,014.28

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Solution

The fourth proportional to 8,522.60, 12,773.70 and 5,014.28 is: 7,515.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522.60 : 12,773.70 = 5,014.28 : x
  2. Step 2: Convert to fraction form
    8,522.60/12,773.70 = 5,014.28/x
  3. Step 3: Cross multiply
    8,522.60x = 12,773.70 × 5,014.28
  4. Step 4: Simplify right side
    8,522.60x = 64,050,908.44
  5. Step 5: Solve for x
    x = 64,050,908.44/8,522.60
  6. Step 6: Final answer
    x = 7,515.42

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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.