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Finding the Fourth Proportional to 29,793.30, 44,689.95 and 21,920.10

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Solution

The fourth proportional to 29,793.30, 44,689.95 and 21,920.10 is: 32,880.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,793.30 : 44,689.95 = 21,920.10 : x
  2. Step 2: Convert to fraction form
    29,793.30/44,689.95 = 21,920.10/x
  3. Step 3: Cross multiply
    29,793.30x = 44,689.95 × 21,920.10
  4. Step 4: Simplify right side
    29,793.30x = 979,608,173.00
  5. Step 5: Solve for x
    x = 979,608,173.00/29,793.30
  6. Step 6: Final answer
    x = 32,880.15

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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.