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Finding the Fourth Proportional to 6,981.03, 10,519.52 and 5,775.44

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Solution

The fourth proportional to 6,981.03, 10,519.52 and 5,775.44 is: 8,702.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.03 : 10,519.52 = 5,775.44 : x
  2. Step 2: Convert to fraction form
    6,981.03/10,519.52 = 5,775.44/x
  3. Step 3: Cross multiply
    6,981.03x = 10,519.52 × 5,775.44
  4. Step 4: Simplify right side
    6,981.03x = 60,754,775.11
  5. Step 5: Solve for x
    x = 60,754,775.11/6,981.03
  6. Step 6: Final answer
    x = 8,702.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.