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Finding the Fourth Proportional to 3,417.35, 4,789.15 and 3,417.35

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Solution

The fourth proportional to 3,417.35, 4,789.15 and 3,417.35 is: 4,789.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.35 : 4,789.15 = 3,417.35 : x
  2. Step 2: Convert to fraction form
    3,417.35/4,789.15 = 3,417.35/x
  3. Step 3: Cross multiply
    3,417.35x = 4,789.15 × 3,417.35
  4. Step 4: Simplify right side
    3,417.35x = 16,366,201.75
  5. Step 5: Solve for x
    x = 16,366,201.75/3,417.35
  6. Step 6: Final answer
    x = 4,789.15

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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.