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Finding the Fourth Proportional to 44,639.78, 66,916.96 and 16,552.32

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Solution

The fourth proportional to 44,639.78, 66,916.96 and 16,552.32 is: 24,812.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,639.78 : 66,916.96 = 16,552.32 : x
  2. Step 2: Convert to fraction form
    44,639.78/66,916.96 = 16,552.32/x
  3. Step 3: Cross multiply
    44,639.78x = 66,916.96 × 16,552.32
  4. Step 4: Simplify right side
    44,639.78x = 1,107,631,254.19
  5. Step 5: Solve for x
    x = 1,107,631,254.19/44,639.78
  6. Step 6: Final answer
    x = 24,812.65

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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.