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Finding the Fourth Proportional to 48,998.87, 73,405.81 and 28,948.53

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Solution

The fourth proportional to 48,998.87, 73,405.81 and 28,948.53 is: 43,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,998.87 : 73,405.81 = 28,948.53 : x
  2. Step 2: Convert to fraction form
    48,998.87/73,405.81 = 28,948.53/x
  3. Step 3: Cross multiply
    48,998.87x = 73,405.81 × 28,948.53
  4. Step 4: Simplify right side
    48,998.87x = 2,124,990,604.42
  5. Step 5: Solve for x
    x = 2,124,990,604.42/48,998.87
  6. Step 6: Final answer
    x = 43,368.16

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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.