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Finding the Fourth Proportional to 11,244.76, 15,519 and 6,768.70

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Solution

The fourth proportional to 11,244.76, 15,519 and 6,768.70 is: 9,341.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,244.76 : 15,519 = 6,768.70 : x
  2. Step 2: Convert to fraction form
    11,244.76/15,519 = 6,768.70/x
  3. Step 3: Cross multiply
    11,244.76x = 15,519 × 6,768.70
  4. Step 4: Simplify right side
    11,244.76x = 105,043,455.30
  5. Step 5: Solve for x
    x = 105,043,455.30/11,244.76
  6. Step 6: Final answer
    x = 9,341.55

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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.