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Finding the Fourth Proportional to 16,479.45, 22,741.36 and 8,925.59

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Solution

The fourth proportional to 16,479.45, 22,741.36 and 8,925.59 is: 12,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,479.45 : 22,741.36 = 8,925.59 : x
  2. Step 2: Convert to fraction form
    16,479.45/22,741.36 = 8,925.59/x
  3. Step 3: Cross multiply
    16,479.45x = 22,741.36 × 8,925.59
  4. Step 4: Simplify right side
    16,479.45x = 202,980,089.94
  5. Step 5: Solve for x
    x = 202,980,089.94/16,479.45
  6. Step 6: Final answer
    x = 12,317.16

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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.