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Finding the Fourth Proportional to 69,804.15, 96,329.64 and 37,972.97

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Solution

The fourth proportional to 69,804.15, 96,329.64 and 37,972.97 is: 52,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,804.15 : 96,329.64 = 37,972.97 : x
  2. Step 2: Convert to fraction form
    69,804.15/96,329.64 = 37,972.97/x
  3. Step 3: Cross multiply
    69,804.15x = 96,329.64 × 37,972.97
  4. Step 4: Simplify right side
    69,804.15x = 3,657,922,529.83
  5. Step 5: Solve for x
    x = 3,657,922,529.83/69,804.15
  6. Step 6: Final answer
    x = 52,402.65

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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.