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Finding the Fourth Proportional to 16,615.26, 22,916.16 and 10,647.54

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Solution

The fourth proportional to 16,615.26, 22,916.16 and 10,647.54 is: 14,685.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615.26 : 22,916.16 = 10,647.54 : x
  2. Step 2: Convert to fraction form
    16,615.26/22,916.16 = 10,647.54/x
  3. Step 3: Cross multiply
    16,615.26x = 22,916.16 × 10,647.54
  4. Step 4: Simplify right side
    16,615.26x = 244,000,730.25
  5. Step 5: Solve for x
    x = 244,000,730.25/16,615.26
  6. Step 6: Final answer
    x = 14,685.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.