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Finding the Fourth Proportional to 1,061.13, 1,464.36 and 595.38

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Solution

The fourth proportional to 1,061.13, 1,464.36 and 595.38 is: 821.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061.13 : 1,464.36 = 595.38 : x
  2. Step 2: Convert to fraction form
    1,061.13/1,464.36 = 595.38/x
  3. Step 3: Cross multiply
    1,061.13x = 1,464.36 × 595.38
  4. Step 4: Simplify right side
    1,061.13x = 871,850.66
  5. Step 5: Solve for x
    x = 871,850.66/1,061.13
  6. Step 6: Final answer
    x = 821.62

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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.