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Finding the Fourth Proportional to 2,023.64, 3,035.32 and 790.82

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Solution

The fourth proportional to 2,023.64, 3,035.32 and 790.82 is: 1,186.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.64 : 3,035.32 = 790.82 : x
  2. Step 2: Convert to fraction form
    2,023.64/3,035.32 = 790.82/x
  3. Step 3: Cross multiply
    2,023.64x = 3,035.32 × 790.82
  4. Step 4: Simplify right side
    2,023.64x = 2,400,391.76
  5. Step 5: Solve for x
    x = 2,400,391.76/2,023.64
  6. Step 6: Final answer
    x = 1,186.18

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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.