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Finding the Fourth Proportional to 64,249.28, 88,664.32 and 35,955.36

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Solution

The fourth proportional to 64,249.28, 88,664.32 and 35,955.36 is: 49,618.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,249.28 : 88,664.32 = 35,955.36 : x
  2. Step 2: Convert to fraction form
    64,249.28/88,664.32 = 35,955.36/x
  3. Step 3: Cross multiply
    64,249.28x = 88,664.32 × 35,955.36
  4. Step 4: Simplify right side
    64,249.28x = 3,187,957,544.76
  5. Step 5: Solve for x
    x = 3,187,957,544.76/64,249.28
  6. Step 6: Final answer
    x = 49,618.57

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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.