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Finding the Fourth Proportional to 63,808.40, 88,054.09 and 35,513.48

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Solution

The fourth proportional to 63,808.40, 88,054.09 and 35,513.48 is: 49,007.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,808.40 : 88,054.09 = 35,513.48 : x
  2. Step 2: Convert to fraction form
    63,808.40/88,054.09 = 35,513.48/x
  3. Step 3: Cross multiply
    63,808.40x = 88,054.09 × 35,513.48
  4. Step 4: Simplify right side
    63,808.40x = 3,127,106,635.08
  5. Step 5: Solve for x
    x = 3,127,106,635.08/63,808.40
  6. Step 6: Final answer
    x = 49,007.76

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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.