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Finding the Fourth Proportional to 4,809.93, 7,214.90 and 2,622.93

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Solution

The fourth proportional to 4,809.93, 7,214.90 and 2,622.93 is: 3,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.93 : 7,214.90 = 2,622.93 : x
  2. Step 2: Convert to fraction form
    4,809.93/7,214.90 = 2,622.93/x
  3. Step 3: Cross multiply
    4,809.93x = 7,214.90 × 2,622.93
  4. Step 4: Simplify right side
    4,809.93x = 18,924,177.66
  5. Step 5: Solve for x
    x = 18,924,177.66/4,809.93
  6. Step 6: Final answer
    x = 3,934.40

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Similar ratio
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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.