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Finding the Fourth Proportional to 26,980.88, 40,521.72 and 22,060.88

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Solution

The fourth proportional to 26,980.88, 40,521.72 and 22,060.88 is: 33,132.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,980.88 : 40,521.72 = 22,060.88 : x
  2. Step 2: Convert to fraction form
    26,980.88/40,521.72 = 22,060.88/x
  3. Step 3: Cross multiply
    26,980.88x = 40,521.72 × 22,060.88
  4. Step 4: Simplify right side
    26,980.88x = 893,944,802.31
  5. Step 5: Solve for x
    x = 893,944,802.31/26,980.88
  6. Step 6: Final answer
    x = 33,132.53

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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.