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Finding the Fourth Proportional to 62,919, 94,393.10 and 21,366.04

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Solution

The fourth proportional to 62,919, 94,393.10 and 21,366.04 is: 32,054.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,919 : 94,393.10 = 21,366.04 : x
  2. Step 2: Convert to fraction form
    62,919/94,393.10 = 21,366.04/x
  3. Step 3: Cross multiply
    62,919x = 94,393.10 × 21,366.04
  4. Step 4: Simplify right side
    62,919x = 2,016,806,750.32
  5. Step 5: Solve for x
    x = 2,016,806,750.32/62,919
  6. Step 6: Final answer
    x = 32,054.02

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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.