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Finding the Fourth Proportional to 16,479.26, 22,741.44 and 8,925.68

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Solution

The fourth proportional to 16,479.26, 22,741.44 and 8,925.68 is: 12,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,479.26 : 22,741.44 = 8,925.68 : x
  2. Step 2: Convert to fraction form
    16,479.26/22,741.44 = 8,925.68/x
  3. Step 3: Cross multiply
    16,479.26x = 22,741.44 × 8,925.68
  4. Step 4: Simplify right side
    16,479.26x = 202,982,816.18
  5. Step 5: Solve for x
    x = 202,982,816.18/16,479.26
  6. Step 6: Final answer
    x = 12,317.47

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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.