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Finding the Fourth Proportional to 2,934.16, 4,401.32 and 854.08

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Solution

The fourth proportional to 2,934.16, 4,401.32 and 854.08 is: 1,281.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.16 : 4,401.32 = 854.08 : x
  2. Step 2: Convert to fraction form
    2,934.16/4,401.32 = 854.08/x
  3. Step 3: Cross multiply
    2,934.16x = 4,401.32 × 854.08
  4. Step 4: Simplify right side
    2,934.16x = 3,759,079.39
  5. Step 5: Solve for x
    x = 3,759,079.39/2,934.16
  6. Step 6: Final answer
    x = 1,281.14

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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.