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Finding the Fourth Proportional to 2,377, 3,565.50 and 837.64

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Solution

The fourth proportional to 2,377, 3,565.50 and 837.64 is: 1,256.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377 : 3,565.50 = 837.64 : x
  2. Step 2: Convert to fraction form
    2,377/3,565.50 = 837.64/x
  3. Step 3: Cross multiply
    2,377x = 3,565.50 × 837.64
  4. Step 4: Simplify right side
    2,377x = 2,986,605.42
  5. Step 5: Solve for x
    x = 2,986,605.42/2,377
  6. Step 6: Final answer
    x = 1,256.46

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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.