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Finding the Fourth Proportional to 43,393, 65,095.98 and 15,697.48

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Solution

The fourth proportional to 43,393, 65,095.98 and 15,697.48 is: 23,548.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,393 : 65,095.98 = 15,697.48 : x
  2. Step 2: Convert to fraction form
    43,393/65,095.98 = 15,697.48/x
  3. Step 3: Cross multiply
    43,393x = 65,095.98 × 15,697.48
  4. Step 4: Simplify right side
    43,393x = 1,021,842,844.13
  5. Step 5: Solve for x
    x = 1,021,842,844.13/43,393
  6. Step 6: Final answer
    x = 23,548.56

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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.