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Finding the Fourth Proportional to 69,662.34, 96,134.02 and 39,447.66

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Solution

The fourth proportional to 69,662.34, 96,134.02 and 39,447.66 is: 54,437.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,662.34 : 96,134.02 = 39,447.66 : x
  2. Step 2: Convert to fraction form
    69,662.34/96,134.02 = 39,447.66/x
  3. Step 3: Cross multiply
    69,662.34x = 96,134.02 × 39,447.66
  4. Step 4: Simplify right side
    69,662.34x = 3,792,262,135.39
  5. Step 5: Solve for x
    x = 3,792,262,135.39/69,662.34
  6. Step 6: Final answer
    x = 54,437.77

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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.