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Finding the Fourth Proportional to 17,703.98, 24,378.80 and 17,311.07

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Solution

The fourth proportional to 17,703.98, 24,378.80 and 17,311.07 is: 23,837.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,703.98 : 24,378.80 = 17,311.07 : x
  2. Step 2: Convert to fraction form
    17,703.98/24,378.80 = 17,311.07/x
  3. Step 3: Cross multiply
    17,703.98x = 24,378.80 × 17,311.07
  4. Step 4: Simplify right side
    17,703.98x = 422,023,026.76
  5. Step 5: Solve for x
    x = 422,023,026.76/17,703.98
  6. Step 6: Final answer
    x = 23,837.75

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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.