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Finding the Fourth Proportional to 65,860.26, 98,800.01 and 21,476.10

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Solution

The fourth proportional to 65,860.26, 98,800.01 and 21,476.10 is: 32,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,860.26 : 98,800.01 = 21,476.10 : x
  2. Step 2: Convert to fraction form
    65,860.26/98,800.01 = 21,476.10/x
  3. Step 3: Cross multiply
    65,860.26x = 98,800.01 × 21,476.10
  4. Step 4: Simplify right side
    65,860.26x = 2,121,838,787.38
  5. Step 5: Solve for x
    x = 2,121,838,787.38/65,860.26
  6. Step 6: Final answer
    x = 32,217.29

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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.