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Finding the Fourth Proportional to 69,774.70, 96,289.85 and 37,943.60

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Solution

The fourth proportional to 69,774.70, 96,289.85 and 37,943.60 is: 52,362.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,774.70 : 96,289.85 = 37,943.60 : x
  2. Step 2: Convert to fraction form
    69,774.70/96,289.85 = 37,943.60/x
  3. Step 3: Cross multiply
    69,774.70x = 96,289.85 × 37,943.60
  4. Step 4: Simplify right side
    69,774.70x = 3,653,583,180.22
  5. Step 5: Solve for x
    x = 3,653,583,180.22/69,774.70
  6. Step 6: Final answer
    x = 52,362.58

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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.