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Finding the Fourth Proportional to 65,433.71, 98,088.19 and 21,029.27

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Solution

The fourth proportional to 65,433.71, 98,088.19 and 21,029.27 is: 31,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,433.71 : 98,088.19 = 21,029.27 : x
  2. Step 2: Convert to fraction form
    65,433.71/98,088.19 = 21,029.27/x
  3. Step 3: Cross multiply
    65,433.71x = 98,088.19 × 21,029.27
  4. Step 4: Simplify right side
    65,433.71x = 2,062,722,488.31
  5. Step 5: Solve for x
    x = 2,062,722,488.31/65,433.71
  6. Step 6: Final answer
    x = 31,523.85

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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.