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Finding the Fourth Proportional to 2,377.97, 3,566.27 and 916.77

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Solution

The fourth proportional to 2,377.97, 3,566.27 and 916.77 is: 1,374.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.97 : 3,566.27 = 916.77 : x
  2. Step 2: Convert to fraction form
    2,377.97/3,566.27 = 916.77/x
  3. Step 3: Cross multiply
    2,377.97x = 3,566.27 × 916.77
  4. Step 4: Simplify right side
    2,377.97x = 3,269,444.76
  5. Step 5: Solve for x
    x = 3,269,444.76/2,377.97
  6. Step 6: Final answer
    x = 1,374.89

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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.