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Finding the Fourth Proportional to 16,636.88, 22,959 and 9,184.88

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Solution

The fourth proportional to 16,636.88, 22,959 and 9,184.88 is: 12,675.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,636.88 : 22,959 = 9,184.88 : x
  2. Step 2: Convert to fraction form
    16,636.88/22,959 = 9,184.88/x
  3. Step 3: Cross multiply
    16,636.88x = 22,959 × 9,184.88
  4. Step 4: Simplify right side
    16,636.88x = 210,875,659.92
  5. Step 5: Solve for x
    x = 210,875,659.92/16,636.88
  6. Step 6: Final answer
    x = 12,675.19

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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.