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Finding the Fourth Proportional to 56,865.52, 85,196.13 and 33,479.20

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Solution

The fourth proportional to 56,865.52, 85,196.13 and 33,479.20 is: 50,158.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,865.52 : 85,196.13 = 33,479.20 : x
  2. Step 2: Convert to fraction form
    56,865.52/85,196.13 = 33,479.20/x
  3. Step 3: Cross multiply
    56,865.52x = 85,196.13 × 33,479.20
  4. Step 4: Simplify right side
    56,865.52x = 2,852,298,275.50
  5. Step 5: Solve for x
    x = 2,852,298,275.50/56,865.52
  6. Step 6: Final answer
    x = 50,158.66

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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.