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Finding the Fourth Proportional to 9,775.68, 14,662.53 and 2,755.14

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Solution

The fourth proportional to 9,775.68, 14,662.53 and 2,755.14 is: 4,132.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,775.68 : 14,662.53 = 2,755.14 : x
  2. Step 2: Convert to fraction form
    9,775.68/14,662.53 = 2,755.14/x
  3. Step 3: Cross multiply
    9,775.68x = 14,662.53 × 2,755.14
  4. Step 4: Simplify right side
    9,775.68x = 40,397,322.90
  5. Step 5: Solve for x
    x = 40,397,322.90/9,775.68
  6. Step 6: Final answer
    x = 4,132.43

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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.