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Finding the Fourth Proportional to 17,703.20, 26,554.80 and 16,320.80

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Solution

The fourth proportional to 17,703.20, 26,554.80 and 16,320.80 is: 24,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,703.20 : 26,554.80 = 16,320.80 : x
  2. Step 2: Convert to fraction form
    17,703.20/26,554.80 = 16,320.80/x
  3. Step 3: Cross multiply
    17,703.20x = 26,554.80 × 16,320.80
  4. Step 4: Simplify right side
    17,703.20x = 433,395,579.84
  5. Step 5: Solve for x
    x = 433,395,579.84/17,703.20
  6. Step 6: Final answer
    x = 24,481.20

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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.