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Finding the Fourth Proportional to 22,656.16, 33,912.42 and 12,766.06

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Solution

The fourth proportional to 22,656.16, 33,912.42 and 12,766.06 is: 19,108.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,656.16 : 33,912.42 = 12,766.06 : x
  2. Step 2: Convert to fraction form
    22,656.16/33,912.42 = 12,766.06/x
  3. Step 3: Cross multiply
    22,656.16x = 33,912.42 × 12,766.06
  4. Step 4: Simplify right side
    22,656.16x = 432,927,988.47
  5. Step 5: Solve for x
    x = 432,927,988.47/22,656.16
  6. Step 6: Final answer
    x = 19,108.62

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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.