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Finding the Fourth Proportional to 69,859.77, 96,404.03 and 38,027.99

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Solution

The fourth proportional to 69,859.77, 96,404.03 and 38,027.99 is: 52,477.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,859.77 : 96,404.03 = 38,027.99 : x
  2. Step 2: Convert to fraction form
    69,859.77/96,404.03 = 38,027.99/x
  3. Step 3: Cross multiply
    69,859.77x = 96,404.03 × 38,027.99
  4. Step 4: Simplify right side
    69,859.77x = 3,666,050,816.64
  5. Step 5: Solve for x
    x = 3,666,050,816.64/69,859.77
  6. Step 6: Final answer
    x = 52,477.28

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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.