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Finding the Fourth Proportional to 64,611.97, 89,151.45 and 37,749.29

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Solution

The fourth proportional to 64,611.97, 89,151.45 and 37,749.29 is: 52,086.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,611.97 : 89,151.45 = 37,749.29 : x
  2. Step 2: Convert to fraction form
    64,611.97/89,151.45 = 37,749.29/x
  3. Step 3: Cross multiply
    64,611.97x = 89,151.45 × 37,749.29
  4. Step 4: Simplify right side
    64,611.97x = 3,365,403,939.97
  5. Step 5: Solve for x
    x = 3,365,403,939.97/64,611.97
  6. Step 6: Final answer
    x = 52,086.38

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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.