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Finding the Fourth Proportional to 21,889.90, 32,827.56 and 7,095.25

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Solution

The fourth proportional to 21,889.90, 32,827.56 and 7,095.25 is: 10,640.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,889.90 : 32,827.56 = 7,095.25 : x
  2. Step 2: Convert to fraction form
    21,889.90/32,827.56 = 7,095.25/x
  3. Step 3: Cross multiply
    21,889.90x = 32,827.56 × 7,095.25
  4. Step 4: Simplify right side
    21,889.90x = 232,919,745.09
  5. Step 5: Solve for x
    x = 232,919,745.09/21,889.90
  6. Step 6: Final answer
    x = 10,640.51

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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.