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Finding the Fourth Proportional to 2,434.06, 3,650.30 and 790.30

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Solution

The fourth proportional to 2,434.06, 3,650.30 and 790.30 is: 1,185.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,434.06 : 3,650.30 = 790.30 : x
  2. Step 2: Convert to fraction form
    2,434.06/3,650.30 = 790.30/x
  3. Step 3: Cross multiply
    2,434.06x = 3,650.30 × 790.30
  4. Step 4: Simplify right side
    2,434.06x = 2,884,832.09
  5. Step 5: Solve for x
    x = 2,884,832.09/2,434.06
  6. Step 6: Final answer
    x = 1,185.19

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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.