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Finding the Fourth Proportional to 2,944.65, 4,416.87 and 996.69

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Solution

The fourth proportional to 2,944.65, 4,416.87 and 996.69 is: 1,495.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,944.65 : 4,416.87 = 996.69 : x
  2. Step 2: Convert to fraction form
    2,944.65/4,416.87 = 996.69/x
  3. Step 3: Cross multiply
    2,944.65x = 4,416.87 × 996.69
  4. Step 4: Simplify right side
    2,944.65x = 4,402,250.16
  5. Step 5: Solve for x
    x = 4,402,250.16/2,944.65
  6. Step 6: Final answer
    x = 1,495.00

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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.