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Finding the Fourth Proportional to 17,916.88, 26,852.24 and 7,374.23

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Solution

The fourth proportional to 17,916.88, 26,852.24 and 7,374.23 is: 11,051.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,916.88 : 26,852.24 = 7,374.23 : x
  2. Step 2: Convert to fraction form
    17,916.88/26,852.24 = 7,374.23/x
  3. Step 3: Cross multiply
    17,916.88x = 26,852.24 × 7,374.23
  4. Step 4: Simplify right side
    17,916.88x = 198,014,593.78
  5. Step 5: Solve for x
    x = 198,014,593.78/17,916.88
  6. Step 6: Final answer
    x = 11,051.85

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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.