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Finding the Fourth Proportional to 65,735.16, 98,602.73 and 15,815.25

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Solution

The fourth proportional to 65,735.16, 98,602.73 and 15,815.25 is: 23,722.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,735.16 : 98,602.73 = 15,815.25 : x
  2. Step 2: Convert to fraction form
    65,735.16/98,602.73 = 15,815.25/x
  3. Step 3: Cross multiply
    65,735.16x = 98,602.73 × 15,815.25
  4. Step 4: Simplify right side
    65,735.16x = 1,559,427,079.70
  5. Step 5: Solve for x
    x = 1,559,427,079.70/65,735.16
  6. Step 6: Final answer
    x = 23,722.88

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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.