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Finding the Fourth Proportional to 63,684.18, 87,881.94 and 35,388

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Solution

The fourth proportional to 63,684.18, 87,881.94 and 35,388 is: 48,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,684.18 : 87,881.94 = 35,388 : x
  2. Step 2: Convert to fraction form
    63,684.18/87,881.94 = 35,388/x
  3. Step 3: Cross multiply
    63,684.18x = 87,881.94 × 35,388
  4. Step 4: Simplify right side
    63,684.18x = 3,109,966,092.72
  5. Step 5: Solve for x
    x = 3,109,966,092.72/63,684.18
  6. Step 6: Final answer
    x = 48,834.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.