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Finding the Fourth Proportional to 29,880.93, 44,812.49 and 10,155

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Solution

The fourth proportional to 29,880.93, 44,812.49 and 10,155 is: 15,229.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,880.93 : 44,812.49 = 10,155 : x
  2. Step 2: Convert to fraction form
    29,880.93/44,812.49 = 10,155/x
  3. Step 3: Cross multiply
    29,880.93x = 44,812.49 × 10,155
  4. Step 4: Simplify right side
    29,880.93x = 455,070,785.18
  5. Step 5: Solve for x
    x = 455,070,785.18/29,880.93
  6. Step 6: Final answer
    x = 15,229.47

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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.