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Finding the Fourth Proportional to 16,693.30, 25,044.81 and 7,916.14

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Solution

The fourth proportional to 16,693.30, 25,044.81 and 7,916.14 is: 11,876.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,693.30 : 25,044.81 = 7,916.14 : x
  2. Step 2: Convert to fraction form
    16,693.30/25,044.81 = 7,916.14/x
  3. Step 3: Cross multiply
    16,693.30x = 25,044.81 × 7,916.14
  4. Step 4: Simplify right side
    16,693.30x = 198,258,222.23
  5. Step 5: Solve for x
    x = 198,258,222.23/16,693.30
  6. Step 6: Final answer
    x = 11,876.51

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1.5x scale

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.