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Finding the Fourth Proportional to 11,184.40, 16,733.40 and 7,296.40

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Solution

The fourth proportional to 11,184.40, 16,733.40 and 7,296.40 is: 10,916.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.40 : 16,733.40 = 7,296.40 : x
  2. Step 2: Convert to fraction form
    11,184.40/16,733.40 = 7,296.40/x
  3. Step 3: Cross multiply
    11,184.40x = 16,733.40 × 7,296.40
  4. Step 4: Simplify right side
    11,184.40x = 122,093,579.76
  5. Step 5: Solve for x
    x = 122,093,579.76/11,184.40
  6. Step 6: Final answer
    x = 10,916.42

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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.