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Finding the Fourth Proportional to 69,907.98, 96,473.16 and 38,076.78

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Solution

The fourth proportional to 69,907.98, 96,473.16 and 38,076.78 is: 52,546.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,907.98 : 96,473.16 = 38,076.78 : x
  2. Step 2: Convert to fraction form
    69,907.98/96,473.16 = 38,076.78/x
  3. Step 3: Cross multiply
    69,907.98x = 96,473.16 × 38,076.78
  4. Step 4: Simplify right side
    69,907.98x = 3,673,387,289.22
  5. Step 5: Solve for x
    x = 3,673,387,289.22/69,907.98
  6. Step 6: Final answer
    x = 52,546.04

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1.5x scale

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.