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Finding the Fourth Proportional to 63,993.28, 88,312.65 and 35,698.36

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Solution

The fourth proportional to 63,993.28, 88,312.65 and 35,698.36 is: 49,264.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,993.28 : 88,312.65 = 35,698.36 : x
  2. Step 2: Convert to fraction form
    63,993.28/88,312.65 = 35,698.36/x
  3. Step 3: Cross multiply
    63,993.28x = 88,312.65 × 35,698.36
  4. Step 4: Simplify right side
    63,993.28x = 3,152,616,772.25
  5. Step 5: Solve for x
    x = 3,152,616,772.25/63,993.28
  6. Step 6: Final answer
    x = 49,264.81

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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.