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Finding the Fourth Proportional to 17,977.92, 24,810.84 and 10,426.20

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Solution

The fourth proportional to 17,977.92, 24,810.84 and 10,426.20 is: 14,388.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,977.92 : 24,810.84 = 10,426.20 : x
  2. Step 2: Convert to fraction form
    17,977.92/24,810.84 = 10,426.20/x
  3. Step 3: Cross multiply
    17,977.92x = 24,810.84 × 10,426.20
  4. Step 4: Simplify right side
    17,977.92x = 258,682,780.01
  5. Step 5: Solve for x
    x = 258,682,780.01/17,977.92
  6. Step 6: Final answer
    x = 14,388.92

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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.