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Finding the Fourth Proportional to 22,487.04, 33,696 and 8,628.48

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Solution

The fourth proportional to 22,487.04, 33,696 and 8,628.48 is: 12,929.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,487.04 : 33,696 = 8,628.48 : x
  2. Step 2: Convert to fraction form
    22,487.04/33,696 = 8,628.48/x
  3. Step 3: Cross multiply
    22,487.04x = 33,696 × 8,628.48
  4. Step 4: Simplify right side
    22,487.04x = 290,745,262.08
  5. Step 5: Solve for x
    x = 290,745,262.08/22,487.04
  6. Step 6: Final answer
    x = 12,929.46

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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.