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Finding the Fourth Proportional to 69,578.53, 96,018.64 and 37,747.64

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Solution

The fourth proportional to 69,578.53, 96,018.64 and 37,747.64 is: 52,091.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,578.53 : 96,018.64 = 37,747.64 : x
  2. Step 2: Convert to fraction form
    69,578.53/96,018.64 = 37,747.64/x
  3. Step 3: Cross multiply
    69,578.53x = 96,018.64 × 37,747.64
  4. Step 4: Simplify right side
    69,578.53x = 3,624,477,201.69
  5. Step 5: Solve for x
    x = 3,624,477,201.69/69,578.53
  6. Step 6: Final answer
    x = 52,091.89

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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.