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Finding the Fourth Proportional to 48,641.90, 67,120.90 and 35,902.04

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Solution

The fourth proportional to 48,641.90, 67,120.90 and 35,902.04 is: 49,541.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,641.90 : 67,120.90 = 35,902.04 : x
  2. Step 2: Convert to fraction form
    48,641.90/67,120.90 = 35,902.04/x
  3. Step 3: Cross multiply
    48,641.90x = 67,120.90 × 35,902.04
  4. Step 4: Simplify right side
    48,641.90x = 2,409,776,811.28
  5. Step 5: Solve for x
    x = 2,409,776,811.28/48,641.90
  6. Step 6: Final answer
    x = 49,541.18

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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.