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Finding the Fourth Proportional to 69,640.90, 96,101.80 and 37,809.11

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Solution

The fourth proportional to 69,640.90, 96,101.80 and 37,809.11 is: 52,175.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,640.90 : 96,101.80 = 37,809.11 : x
  2. Step 2: Convert to fraction form
    69,640.90/96,101.80 = 37,809.11/x
  3. Step 3: Cross multiply
    69,640.90x = 96,101.80 × 37,809.11
  4. Step 4: Simplify right side
    69,640.90x = 3,633,523,673.13
  5. Step 5: Solve for x
    x = 3,633,523,673.13/69,640.90
  6. Step 6: Final answer
    x = 52,175.14

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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.