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Finding the Fourth Proportional to 69,933.60, 96,508.80 and 41,640.48

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Solution

The fourth proportional to 69,933.60, 96,508.80 and 41,640.48 is: 57,464.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,933.60 : 96,508.80 = 41,640.48 : x
  2. Step 2: Convert to fraction form
    69,933.60/96,508.80 = 41,640.48/x
  3. Step 3: Cross multiply
    69,933.60x = 96,508.80 × 41,640.48
  4. Step 4: Simplify right side
    69,933.60x = 4,018,672,756.22
  5. Step 5: Solve for x
    x = 4,018,672,756.22/69,933.60
  6. Step 6: Final answer
    x = 57,464.12

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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.