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Finding the Fourth Proportional to 27,323.80, 40,920.90 and 16,826.20

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Solution

The fourth proportional to 27,323.80, 40,920.90 and 16,826.20 is: 25,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,323.80 : 40,920.90 = 16,826.20 : x
  2. Step 2: Convert to fraction form
    27,323.80/40,920.90 = 16,826.20/x
  3. Step 3: Cross multiply
    27,323.80x = 40,920.90 × 16,826.20
  4. Step 4: Simplify right side
    27,323.80x = 688,543,247.58
  5. Step 5: Solve for x
    x = 688,543,247.58/27,323.80
  6. Step 6: Final answer
    x = 25,199.40

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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.