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Finding the Fourth Proportional to 3,877.24, 5,812.62 and 2,335

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Solution

The fourth proportional to 3,877.24, 5,812.62 and 2,335 is: 3,500.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.24 : 5,812.62 = 2,335 : x
  2. Step 2: Convert to fraction form
    3,877.24/5,812.62 = 2,335/x
  3. Step 3: Cross multiply
    3,877.24x = 5,812.62 × 2,335
  4. Step 4: Simplify right side
    3,877.24x = 13,572,467.70
  5. Step 5: Solve for x
    x = 13,572,467.70/3,877.24
  6. Step 6: Final answer
    x = 3,500.55

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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.