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Finding the Fourth Proportional to 1,060.80, 1,463.88 and 595

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Solution

The fourth proportional to 1,060.80, 1,463.88 and 595 is: 821.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.80 : 1,463.88 = 595 : x
  2. Step 2: Convert to fraction form
    1,060.80/1,463.88 = 595/x
  3. Step 3: Cross multiply
    1,060.80x = 1,463.88 × 595
  4. Step 4: Simplify right side
    1,060.80x = 871,008.60
  5. Step 5: Solve for x
    x = 871,008.60/1,060.80
  6. Step 6: Final answer
    x = 821.09

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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.