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Finding the Fourth Proportional to 1,062.12, 1,593.06 and 368.66

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Solution

The fourth proportional to 1,062.12, 1,593.06 and 368.66 is: 552.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.12 : 1,593.06 = 368.66 : x
  2. Step 2: Convert to fraction form
    1,062.12/1,593.06 = 368.66/x
  3. Step 3: Cross multiply
    1,062.12x = 1,593.06 × 368.66
  4. Step 4: Simplify right side
    1,062.12x = 587,289.53
  5. Step 5: Solve for x
    x = 587,289.53/1,062.12
  6. Step 6: Final answer
    x = 552.94

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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.