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Finding the Fourth Proportional to 6,681.35, 10,015.41 and 3,165.18

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Solution

The fourth proportional to 6,681.35, 10,015.41 and 3,165.18 is: 4,744.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.35 : 10,015.41 = 3,165.18 : x
  2. Step 2: Convert to fraction form
    6,681.35/10,015.41 = 3,165.18/x
  3. Step 3: Cross multiply
    6,681.35x = 10,015.41 × 3,165.18
  4. Step 4: Simplify right side
    6,681.35x = 31,700,549.74
  5. Step 5: Solve for x
    x = 31,700,549.74/6,681.35
  6. Step 6: Final answer
    x = 4,744.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.