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Finding the Fourth Proportional to 14,916.72, 22,375.80 and 7,901.04

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Solution

The fourth proportional to 14,916.72, 22,375.80 and 7,901.04 is: 11,851.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,916.72 : 22,375.80 = 7,901.04 : x
  2. Step 2: Convert to fraction form
    14,916.72/22,375.80 = 7,901.04/x
  3. Step 3: Cross multiply
    14,916.72x = 22,375.80 × 7,901.04
  4. Step 4: Simplify right side
    14,916.72x = 176,792,090.83
  5. Step 5: Solve for x
    x = 176,792,090.83/14,916.72
  6. Step 6: Final answer
    x = 11,851.94

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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.