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Finding the Fourth Proportional to 11,841.52, 16,344.02 and 7,368.70

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Solution

The fourth proportional to 11,841.52, 16,344.02 and 7,368.70 is: 10,170.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,841.52 : 16,344.02 = 7,368.70 : x
  2. Step 2: Convert to fraction form
    11,841.52/16,344.02 = 7,368.70/x
  3. Step 3: Cross multiply
    11,841.52x = 16,344.02 × 7,368.70
  4. Step 4: Simplify right side
    11,841.52x = 120,434,180.17
  5. Step 5: Solve for x
    x = 120,434,180.17/11,841.52
  6. Step 6: Final answer
    x = 10,170.50

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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.