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Finding the Fourth Proportional to 4,944.12, 7,417.20 and 1,612.62

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Solution

The fourth proportional to 4,944.12, 7,417.20 and 1,612.62 is: 2,419.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,944.12 : 7,417.20 = 1,612.62 : x
  2. Step 2: Convert to fraction form
    4,944.12/7,417.20 = 1,612.62/x
  3. Step 3: Cross multiply
    4,944.12x = 7,417.20 × 1,612.62
  4. Step 4: Simplify right side
    4,944.12x = 11,961,125.06
  5. Step 5: Solve for x
    x = 11,961,125.06/4,944.12
  6. Step 6: Final answer
    x = 2,419.26

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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.