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Finding the Fourth Proportional to 21,374.54, 32,062.26 and 7,334.51

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Solution

The fourth proportional to 21,374.54, 32,062.26 and 7,334.51 is: 11,001.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374.54 : 32,062.26 = 7,334.51 : x
  2. Step 2: Convert to fraction form
    21,374.54/32,062.26 = 7,334.51/x
  3. Step 3: Cross multiply
    21,374.54x = 32,062.26 × 7,334.51
  4. Step 4: Simplify right side
    21,374.54x = 235,160,806.28
  5. Step 5: Solve for x
    x = 235,160,806.28/21,374.54
  6. Step 6: Final answer
    x = 11,001.91

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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.