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Finding the Fourth Proportional to 65,793.95, 98,690.01 and 15,873.63

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Solution

The fourth proportional to 65,793.95, 98,690.01 and 15,873.63 is: 23,810.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,793.95 : 98,690.01 = 15,873.63 : x
  2. Step 2: Convert to fraction form
    65,793.95/98,690.01 = 15,873.63/x
  3. Step 3: Cross multiply
    65,793.95x = 98,690.01 × 15,873.63
  4. Step 4: Simplify right side
    65,793.95x = 1,566,568,273.82
  5. Step 5: Solve for x
    x = 1,566,568,273.82/65,793.95
  6. Step 6: Final answer
    x = 23,810.22

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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.