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Finding the Fourth Proportional to 68,577.08, 94,645.12 and 38,364.08

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Solution

The fourth proportional to 68,577.08, 94,645.12 and 38,364.08 is: 52,947.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,577.08 : 94,645.12 = 38,364.08 : x
  2. Step 2: Convert to fraction form
    68,577.08/94,645.12 = 38,364.08/x
  3. Step 3: Cross multiply
    68,577.08x = 94,645.12 × 38,364.08
  4. Step 4: Simplify right side
    68,577.08x = 3,630,972,955.29
  5. Step 5: Solve for x
    x = 3,630,972,955.29/68,577.08
  6. Step 6: Final answer
    x = 52,947.33

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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.