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Finding the Fourth Proportional to 56,902.66, 85,363.26 and 21,366.73

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Solution

The fourth proportional to 56,902.66, 85,363.26 and 21,366.73 is: 32,053.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,902.66 : 85,363.26 = 21,366.73 : x
  2. Step 2: Convert to fraction form
    56,902.66/85,363.26 = 21,366.73/x
  3. Step 3: Cross multiply
    56,902.66x = 85,363.26 × 21,366.73
  4. Step 4: Simplify right side
    56,902.66x = 1,823,933,915.17
  5. Step 5: Solve for x
    x = 1,823,933,915.17/56,902.66
  6. Step 6: Final answer
    x = 32,053.58

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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.