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Finding the Fourth Proportional to 69,009, 95,304.71 and 47,554.53

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Solution

The fourth proportional to 69,009, 95,304.71 and 47,554.53 is: 65,675.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,009 : 95,304.71 = 47,554.53 : x
  2. Step 2: Convert to fraction form
    69,009/95,304.71 = 47,554.53/x
  3. Step 3: Cross multiply
    69,009x = 95,304.71 × 47,554.53
  4. Step 4: Simplify right side
    69,009x = 4,532,170,453.06
  5. Step 5: Solve for x
    x = 4,532,170,453.06/69,009
  6. Step 6: Final answer
    x = 65,675.06

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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.