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Finding the Fourth Proportional to 63,692.94, 87,894.10 and 35,398.02

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Solution

The fourth proportional to 63,692.94, 87,894.10 and 35,398.02 is: 48,848.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,692.94 : 87,894.10 = 35,398.02 : x
  2. Step 2: Convert to fraction form
    63,692.94/87,894.10 = 35,398.02/x
  3. Step 3: Cross multiply
    63,692.94x = 87,894.10 × 35,398.02
  4. Step 4: Simplify right side
    63,692.94x = 3,111,277,109.68
  5. Step 5: Solve for x
    x = 3,111,277,109.68/63,692.94
  6. Step 6: Final answer
    x = 48,848.07

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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.