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Finding the Fourth Proportional to 56,793.62, 78,366.04 and 32,915.70

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Solution

The fourth proportional to 56,793.62, 78,366.04 and 32,915.70 is: 45,418.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,793.62 : 78,366.04 = 32,915.70 : x
  2. Step 2: Convert to fraction form
    56,793.62/78,366.04 = 32,915.70/x
  3. Step 3: Cross multiply
    56,793.62x = 78,366.04 × 32,915.70
  4. Step 4: Simplify right side
    56,793.62x = 2,579,472,980.54
  5. Step 5: Solve for x
    x = 2,579,472,980.54/56,793.62
  6. Step 6: Final answer
    x = 45,418.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.