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Finding the Fourth Proportional to 17,695.40, 24,444.41 and 16,099.20

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Solution

The fourth proportional to 17,695.40, 24,444.41 and 16,099.20 is: 22,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,695.40 : 24,444.41 = 16,099.20 : x
  2. Step 2: Convert to fraction form
    17,695.40/24,444.41 = 16,099.20/x
  3. Step 3: Cross multiply
    17,695.40x = 24,444.41 × 16,099.20
  4. Step 4: Simplify right side
    17,695.40x = 393,535,364.98
  5. Step 5: Solve for x
    x = 393,535,364.98/17,695.40
  6. Step 6: Final answer
    x = 22,239.42

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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.