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Finding the Fourth Proportional to 8,560.49, 12,837.49 and 3,632.45

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Solution

The fourth proportional to 8,560.49, 12,837.49 and 3,632.45 is: 5,447.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.49 : 12,837.49 = 3,632.45 : x
  2. Step 2: Convert to fraction form
    8,560.49/12,837.49 = 3,632.45/x
  3. Step 3: Cross multiply
    8,560.49x = 12,837.49 × 3,632.45
  4. Step 4: Simplify right side
    8,560.49x = 46,631,467.28
  5. Step 5: Solve for x
    x = 46,631,467.28/8,560.49
  6. Step 6: Final answer
    x = 5,447.29

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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.