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Finding the Fourth Proportional to 12,560.43, 18,841.04 and 6,317.03

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Solution

The fourth proportional to 12,560.43, 18,841.04 and 6,317.03 is: 9,475.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.43 : 18,841.04 = 6,317.03 : x
  2. Step 2: Convert to fraction form
    12,560.43/18,841.04 = 6,317.03/x
  3. Step 3: Cross multiply
    12,560.43x = 18,841.04 × 6,317.03
  4. Step 4: Simplify right side
    12,560.43x = 119,019,467.52
  5. Step 5: Solve for x
    x = 119,019,467.52/12,560.43
  6. Step 6: Final answer
    x = 9,475.75

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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.