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Finding the Fourth Proportional to 1,376.74, 2,060.16 and 1,010.62

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Solution

The fourth proportional to 1,376.74, 2,060.16 and 1,010.62 is: 1,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376.74 : 2,060.16 = 1,010.62 : x
  2. Step 2: Convert to fraction form
    1,376.74/2,060.16 = 1,010.62/x
  3. Step 3: Cross multiply
    1,376.74x = 2,060.16 × 1,010.62
  4. Step 4: Simplify right side
    1,376.74x = 2,082,038.90
  5. Step 5: Solve for x
    x = 2,082,038.90/1,376.74
  6. Step 6: Final answer
    x = 1,512.30

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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.