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Finding the Fourth Proportional to 21,375, 32,062.48 and 5,792.62

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Solution

The fourth proportional to 21,375, 32,062.48 and 5,792.62 is: 8,688.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,375 : 32,062.48 = 5,792.62 : x
  2. Step 2: Convert to fraction form
    21,375/32,062.48 = 5,792.62/x
  3. Step 3: Cross multiply
    21,375x = 32,062.48 × 5,792.62
  4. Step 4: Simplify right side
    21,375x = 185,725,762.90
  5. Step 5: Solve for x
    x = 185,725,762.90/21,375
  6. Step 6: Final answer
    x = 8,688.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.