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Finding the Fourth Proportional to 16,656.80, 22,984.72 and 9,204.32

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Solution

The fourth proportional to 16,656.80, 22,984.72 and 9,204.32 is: 12,701.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,656.80 : 22,984.72 = 9,204.32 : x
  2. Step 2: Convert to fraction form
    16,656.80/22,984.72 = 9,204.32/x
  3. Step 3: Cross multiply
    16,656.80x = 22,984.72 × 9,204.32
  4. Step 4: Simplify right side
    16,656.80x = 211,558,717.99
  5. Step 5: Solve for x
    x = 211,558,717.99/16,656.80
  6. Step 6: Final answer
    x = 12,701.04

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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.