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Finding the Fourth Proportional to 6,994.82, 9,650.16 and 4,009.10

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Solution

The fourth proportional to 6,994.82, 9,650.16 and 4,009.10 is: 5,531.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,994.82 : 9,650.16 = 4,009.10 : x
  2. Step 2: Convert to fraction form
    6,994.82/9,650.16 = 4,009.10/x
  3. Step 3: Cross multiply
    6,994.82x = 9,650.16 × 4,009.10
  4. Step 4: Simplify right side
    6,994.82x = 38,688,456.46
  5. Step 5: Solve for x
    x = 38,688,456.46/6,994.82
  6. Step 6: Final answer
    x = 5,531.02

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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.