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Finding the Fourth Proportional to 65,930.76, 98,870.93 and 23,799.42

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Solution

The fourth proportional to 65,930.76, 98,870.93 and 23,799.42 is: 35,690.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,930.76 : 98,870.93 = 23,799.42 : x
  2. Step 2: Convert to fraction form
    65,930.76/98,870.93 = 23,799.42/x
  3. Step 3: Cross multiply
    65,930.76x = 98,870.93 × 23,799.42
  4. Step 4: Simplify right side
    65,930.76x = 2,353,070,759.11
  5. Step 5: Solve for x
    x = 2,353,070,759.11/65,930.76
  6. Step 6: Final answer
    x = 35,690.03

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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.