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Finding the Fourth Proportional to 69,936.32, 96,547.88 and 47,394.44

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Solution

The fourth proportional to 69,936.32, 96,547.88 and 47,394.44 is: 65,428.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,936.32 : 96,547.88 = 47,394.44 : x
  2. Step 2: Convert to fraction form
    69,936.32/96,547.88 = 47,394.44/x
  3. Step 3: Cross multiply
    69,936.32x = 96,547.88 × 47,394.44
  4. Step 4: Simplify right side
    69,936.32x = 4,575,832,705.79
  5. Step 5: Solve for x
    x = 4,575,832,705.79/69,936.32
  6. Step 6: Final answer
    x = 65,428.56

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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.