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Finding the Fourth Proportional to 63,970.97, 88,280.08 and 35,678.48

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Solution

The fourth proportional to 63,970.97, 88,280.08 and 35,678.48 is: 49,236.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,970.97 : 88,280.08 = 35,678.48 : x
  2. Step 2: Convert to fraction form
    63,970.97/88,280.08 = 35,678.48/x
  3. Step 3: Cross multiply
    63,970.97x = 88,280.08 × 35,678.48
  4. Step 4: Simplify right side
    63,970.97x = 3,149,698,538.08
  5. Step 5: Solve for x
    x = 3,149,698,538.08/63,970.97
  6. Step 6: Final answer
    x = 49,236.38

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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.