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Finding the Fourth Proportional to 3,404.70, 4,776.30 and 3,404.70

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Solution

The fourth proportional to 3,404.70, 4,776.30 and 3,404.70 is: 4,776.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.70 : 4,776.30 = 3,404.70 : x
  2. Step 2: Convert to fraction form
    3,404.70/4,776.30 = 3,404.70/x
  3. Step 3: Cross multiply
    3,404.70x = 4,776.30 × 3,404.70
  4. Step 4: Simplify right side
    3,404.70x = 16,261,868.61
  5. Step 5: Solve for x
    x = 16,261,868.61/3,404.70
  6. Step 6: Final answer
    x = 4,776.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.