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Finding the Fourth Proportional to 69,939.25, 96,482.95 and 47,286.01

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Solution

The fourth proportional to 69,939.25, 96,482.95 and 47,286.01 is: 65,232.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,939.25 : 96,482.95 = 47,286.01 : x
  2. Step 2: Convert to fraction form
    69,939.25/96,482.95 = 47,286.01/x
  3. Step 3: Cross multiply
    69,939.25x = 96,482.95 × 47,286.01
  4. Step 4: Simplify right side
    69,939.25x = 4,562,293,740.92
  5. Step 5: Solve for x
    x = 4,562,293,740.92/69,939.25
  6. Step 6: Final answer
    x = 65,232.24

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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.