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Finding the Fourth Proportional to 6,845.13, 10,219.07 and 6,602.13

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Solution

The fourth proportional to 6,845.13, 10,219.07 and 6,602.13 is: 9,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845.13 : 10,219.07 = 6,602.13 : x
  2. Step 2: Convert to fraction form
    6,845.13/10,219.07 = 6,602.13/x
  3. Step 3: Cross multiply
    6,845.13x = 10,219.07 × 6,602.13
  4. Step 4: Simplify right side
    6,845.13x = 67,467,645.12
  5. Step 5: Solve for x
    x = 67,467,645.12/6,845.13
  6. Step 6: Final answer
    x = 9,856.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.