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Finding the Fourth Proportional to 64,022.70, 88,350.96 and 35,728.32

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Solution

The fourth proportional to 64,022.70, 88,350.96 and 35,728.32 is: 49,304.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,022.70 : 88,350.96 = 35,728.32 : x
  2. Step 2: Convert to fraction form
    64,022.70/88,350.96 = 35,728.32/x
  3. Step 3: Cross multiply
    64,022.70x = 88,350.96 × 35,728.32
  4. Step 4: Simplify right side
    64,022.70x = 3,156,631,371.19
  5. Step 5: Solve for x
    x = 3,156,631,371.19/64,022.70
  6. Step 6: Final answer
    x = 49,304.88

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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.