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Finding the Fourth Proportional to 9,165.66, 13,748.54 and 2,926.33

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Solution

The fourth proportional to 9,165.66, 13,748.54 and 2,926.33 is: 4,389.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165.66 : 13,748.54 = 2,926.33 : x
  2. Step 2: Convert to fraction form
    9,165.66/13,748.54 = 2,926.33/x
  3. Step 3: Cross multiply
    9,165.66x = 13,748.54 × 2,926.33
  4. Step 4: Simplify right side
    9,165.66x = 40,232,716.06
  5. Step 5: Solve for x
    x = 40,232,716.06/9,165.66
  6. Step 6: Final answer
    x = 4,389.51

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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.