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Finding the Fourth Proportional to 28,802.44, 43,202.22 and 11,275.48

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Solution

The fourth proportional to 28,802.44, 43,202.22 and 11,275.48 is: 16,912.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,802.44 : 43,202.22 = 11,275.48 : x
  2. Step 2: Convert to fraction form
    28,802.44/43,202.22 = 11,275.48/x
  3. Step 3: Cross multiply
    28,802.44x = 43,202.22 × 11,275.48
  4. Step 4: Simplify right side
    28,802.44x = 487,125,767.57
  5. Step 5: Solve for x
    x = 487,125,767.57/28,802.44
  6. Step 6: Final answer
    x = 16,912.66

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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.