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Finding the Fourth Proportional to 2,444.65, 3,667.14 and 983.81

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Solution

The fourth proportional to 2,444.65, 3,667.14 and 983.81 is: 1,475.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,444.65 : 3,667.14 = 983.81 : x
  2. Step 2: Convert to fraction form
    2,444.65/3,667.14 = 983.81/x
  3. Step 3: Cross multiply
    2,444.65x = 3,667.14 × 983.81
  4. Step 4: Simplify right side
    2,444.65x = 3,607,778.17
  5. Step 5: Solve for x
    x = 3,607,778.17/2,444.65
  6. Step 6: Final answer
    x = 1,475.79

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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.