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Finding the Fourth Proportional to 16,405.62, 24,585.21 and 9,371.22

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Solution

The fourth proportional to 16,405.62, 24,585.21 and 9,371.22 is: 14,043.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,405.62 : 24,585.21 = 9,371.22 : x
  2. Step 2: Convert to fraction form
    16,405.62/24,585.21 = 9,371.22/x
  3. Step 3: Cross multiply
    16,405.62x = 24,585.21 × 9,371.22
  4. Step 4: Simplify right side
    16,405.62x = 230,393,411.66
  5. Step 5: Solve for x
    x = 230,393,411.66/16,405.62
  6. Step 6: Final answer
    x = 14,043.57

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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.