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Finding the Fourth Proportional to 65,793.30, 98,689.95 and 52,671.30

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Solution

The fourth proportional to 65,793.30, 98,689.95 and 52,671.30 is: 79,006.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,793.30 : 98,689.95 = 52,671.30 : x
  2. Step 2: Convert to fraction form
    65,793.30/98,689.95 = 52,671.30/x
  3. Step 3: Cross multiply
    65,793.30x = 98,689.95 × 52,671.30
  4. Step 4: Simplify right side
    65,793.30x = 5,198,127,963.44
  5. Step 5: Solve for x
    x = 5,198,127,963.44/65,793.30
  6. Step 6: Final answer
    x = 79,006.95

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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.