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Finding the Fourth Proportional to 29,876.93, 44,762.78 and 28,099.08

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Solution

The fourth proportional to 29,876.93, 44,762.78 and 28,099.08 is: 42,099.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,876.93 : 44,762.78 = 28,099.08 : x
  2. Step 2: Convert to fraction form
    29,876.93/44,762.78 = 28,099.08/x
  3. Step 3: Cross multiply
    29,876.93x = 44,762.78 × 28,099.08
  4. Step 4: Simplify right side
    29,876.93x = 1,257,792,712.43
  5. Step 5: Solve for x
    x = 1,257,792,712.43/29,876.93
  6. Step 6: Final answer
    x = 42,099.14

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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.