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Finding the Fourth Proportional to 4,934.18, 7,404.07 and 1,813.78

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Solution

The fourth proportional to 4,934.18, 7,404.07 and 1,813.78 is: 2,721.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,934.18 : 7,404.07 = 1,813.78 : x
  2. Step 2: Convert to fraction form
    4,934.18/7,404.07 = 1,813.78/x
  3. Step 3: Cross multiply
    4,934.18x = 7,404.07 × 1,813.78
  4. Step 4: Simplify right side
    4,934.18x = 13,429,354.08
  5. Step 5: Solve for x
    x = 13,429,354.08/4,934.18
  6. Step 6: Final answer
    x = 2,721.70

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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.