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Finding the Fourth Proportional to 4,944.44, 7,419.40 and 2,970.68

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Solution

The fourth proportional to 4,944.44, 7,419.40 and 2,970.68 is: 4,457.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,944.44 : 7,419.40 = 2,970.68 : x
  2. Step 2: Convert to fraction form
    4,944.44/7,419.40 = 2,970.68/x
  3. Step 3: Cross multiply
    4,944.44x = 7,419.40 × 2,970.68
  4. Step 4: Simplify right side
    4,944.44x = 22,040,618.67
  5. Step 5: Solve for x
    x = 22,040,618.67/4,944.44
  6. Step 6: Final answer
    x = 4,457.65

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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.