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Finding the Fourth Proportional to 65,967.05, 91,054.65 and 52,629.99

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Solution

The fourth proportional to 65,967.05, 91,054.65 and 52,629.99 is: 72,645.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,967.05 : 91,054.65 = 52,629.99 : x
  2. Step 2: Convert to fraction form
    65,967.05/91,054.65 = 52,629.99/x
  3. Step 3: Cross multiply
    65,967.05x = 91,054.65 × 52,629.99
  4. Step 4: Simplify right side
    65,967.05x = 4,792,205,318.95
  5. Step 5: Solve for x
    x = 4,792,205,318.95/65,967.05
  6. Step 6: Final answer
    x = 72,645.44

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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.