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Finding the Fourth Proportional to 48,815.80, 73,061.70 and 35,450.80

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Solution

The fourth proportional to 48,815.80, 73,061.70 and 35,450.80 is: 53,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,815.80 : 73,061.70 = 35,450.80 : x
  2. Step 2: Convert to fraction form
    48,815.80/73,061.70 = 35,450.80/x
  3. Step 3: Cross multiply
    48,815.80x = 73,061.70 × 35,450.80
  4. Step 4: Simplify right side
    48,815.80x = 2,590,095,714.36
  5. Step 5: Solve for x
    x = 2,590,095,714.36/48,815.80
  6. Step 6: Final answer
    x = 53,058.55

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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.