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Finding the Fourth Proportional to 6,482.62, 8,946.21 and 3,965.14

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Solution

The fourth proportional to 6,482.62, 8,946.21 and 3,965.14 is: 5,472.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,482.62 : 8,946.21 = 3,965.14 : x
  2. Step 2: Convert to fraction form
    6,482.62/8,946.21 = 3,965.14/x
  3. Step 3: Cross multiply
    6,482.62x = 8,946.21 × 3,965.14
  4. Step 4: Simplify right side
    6,482.62x = 35,472,975.12
  5. Step 5: Solve for x
    x = 35,472,975.12/6,482.62
  6. Step 6: Final answer
    x = 5,472.01

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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.