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Finding the Fourth Proportional to 1,888, 2,605.46 and 1,060

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Solution

The fourth proportional to 1,888, 2,605.46 and 1,060 is: 1,462.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888 : 2,605.46 = 1,060 : x
  2. Step 2: Convert to fraction form
    1,888/2,605.46 = 1,060/x
  3. Step 3: Cross multiply
    1,888x = 2,605.46 × 1,060
  4. Step 4: Simplify right side
    1,888x = 2,761,787.60
  5. Step 5: Solve for x
    x = 2,761,787.60/1,888
  6. Step 6: Final answer
    x = 1,462.81

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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.