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Finding the Fourth Proportional to 9,954.02, 14,916.90 and 4,687.04

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Solution

The fourth proportional to 9,954.02, 14,916.90 and 4,687.04 is: 7,023.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,954.02 : 14,916.90 = 4,687.04 : x
  2. Step 2: Convert to fraction form
    9,954.02/14,916.90 = 4,687.04/x
  3. Step 3: Cross multiply
    9,954.02x = 14,916.90 × 4,687.04
  4. Step 4: Simplify right side
    9,954.02x = 69,916,106.98
  5. Step 5: Solve for x
    x = 69,916,106.98/9,954.02
  6. Step 6: Final answer
    x = 7,023.91

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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.