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Finding the Fourth Proportional to 2,349.15, 3,523.76 and 790.92

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Solution

The fourth proportional to 2,349.15, 3,523.76 and 790.92 is: 1,186.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.15 : 3,523.76 = 790.92 : x
  2. Step 2: Convert to fraction form
    2,349.15/3,523.76 = 790.92/x
  3. Step 3: Cross multiply
    2,349.15x = 3,523.76 × 790.92
  4. Step 4: Simplify right side
    2,349.15x = 2,787,008.30
  5. Step 5: Solve for x
    x = 2,787,008.30/2,349.15
  6. Step 6: Final answer
    x = 1,186.39

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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.