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Finding the Fourth Proportional to 11,480.76, 15,850.35 and 7,508.52

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Solution

The fourth proportional to 11,480.76, 15,850.35 and 7,508.52 is: 10,366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.76 : 15,850.35 = 7,508.52 : x
  2. Step 2: Convert to fraction form
    11,480.76/15,850.35 = 7,508.52/x
  3. Step 3: Cross multiply
    11,480.76x = 15,850.35 × 7,508.52
  4. Step 4: Simplify right side
    11,480.76x = 119,012,669.98
  5. Step 5: Solve for x
    x = 119,012,669.98/11,480.76
  6. Step 6: Final answer
    x = 10,366.27

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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.