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Finding the Fourth Proportional to 3,256.61, 4,877.06 and 1,865.73

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Solution

The fourth proportional to 3,256.61, 4,877.06 and 1,865.73 is: 2,794.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.61 : 4,877.06 = 1,865.73 : x
  2. Step 2: Convert to fraction form
    3,256.61/4,877.06 = 1,865.73/x
  3. Step 3: Cross multiply
    3,256.61x = 4,877.06 × 1,865.73
  4. Step 4: Simplify right side
    3,256.61x = 9,099,267.83
  5. Step 5: Solve for x
    x = 9,099,267.83/3,256.61
  6. Step 6: Final answer
    x = 2,794.09

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1.5x scale

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.