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Finding the Fourth Proportional to 64,933.93, 89,608.89 and 36,642.25

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Solution

The fourth proportional to 64,933.93, 89,608.89 and 36,642.25 is: 50,566.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,933.93 : 89,608.89 = 36,642.25 : x
  2. Step 2: Convert to fraction form
    64,933.93/89,608.89 = 36,642.25/x
  3. Step 3: Cross multiply
    64,933.93x = 89,608.89 × 36,642.25
  4. Step 4: Simplify right side
    64,933.93x = 3,283,471,349.60
  5. Step 5: Solve for x
    x = 3,283,471,349.60/64,933.93
  6. Step 6: Final answer
    x = 50,566.34

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1.5x scale

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.