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Finding the Fourth Proportional to 48,494.64, 72,790.97 and 34,470.50

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Solution

The fourth proportional to 48,494.64, 72,790.97 and 34,470.50 is: 51,740.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,494.64 : 72,790.97 = 34,470.50 : x
  2. Step 2: Convert to fraction form
    48,494.64/72,790.97 = 34,470.50/x
  3. Step 3: Cross multiply
    48,494.64x = 72,790.97 × 34,470.50
  4. Step 4: Simplify right side
    48,494.64x = 2,509,141,141.01
  5. Step 5: Solve for x
    x = 2,509,141,141.01/48,494.64
  6. Step 6: Final answer
    x = 51,740.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.