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Finding the Fourth Proportional to 24,798.30, 34,221.61 and 13,620.30

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Solution

The fourth proportional to 24,798.30, 34,221.61 and 13,620.30 is: 18,795.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,798.30 : 34,221.61 = 13,620.30 : x
  2. Step 2: Convert to fraction form
    24,798.30/34,221.61 = 13,620.30/x
  3. Step 3: Cross multiply
    24,798.30x = 34,221.61 × 13,620.30
  4. Step 4: Simplify right side
    24,798.30x = 466,108,594.68
  5. Step 5: Solve for x
    x = 466,108,594.68/24,798.30
  6. Step 6: Final answer
    x = 18,795.99

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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.