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Finding the Fourth Proportional to 2,691.63, 3,715.59 and 2,523.49

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Solution

The fourth proportional to 2,691.63, 3,715.59 and 2,523.49 is: 3,483.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.63 : 3,715.59 = 2,523.49 : x
  2. Step 2: Convert to fraction form
    2,691.63/3,715.59 = 2,523.49/x
  3. Step 3: Cross multiply
    2,691.63x = 3,715.59 × 2,523.49
  4. Step 4: Simplify right side
    2,691.63x = 9,376,268.32
  5. Step 5: Solve for x
    x = 9,376,268.32/2,691.63
  6. Step 6: Final answer
    x = 3,483.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.