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Finding the Fourth Proportional to 47,496.48, 65,543.16 and 25,986.12

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Solution

The fourth proportional to 47,496.48, 65,543.16 and 25,986.12 is: 35,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,496.48 : 65,543.16 = 25,986.12 : x
  2. Step 2: Convert to fraction form
    47,496.48/65,543.16 = 25,986.12/x
  3. Step 3: Cross multiply
    47,496.48x = 65,543.16 × 25,986.12
  4. Step 4: Simplify right side
    47,496.48x = 1,703,212,420.94
  5. Step 5: Solve for x
    x = 1,703,212,420.94/47,496.48
  6. Step 6: Final answer
    x = 35,859.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.