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Finding the Fourth Proportional to 2,473.81, 3,710.72 and 993.71

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Solution

The fourth proportional to 2,473.81, 3,710.72 and 993.71 is: 1,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,473.81 : 3,710.72 = 993.71 : x
  2. Step 2: Convert to fraction form
    2,473.81/3,710.72 = 993.71/x
  3. Step 3: Cross multiply
    2,473.81x = 3,710.72 × 993.71
  4. Step 4: Simplify right side
    2,473.81x = 3,687,374.60
  5. Step 5: Solve for x
    x = 3,687,374.60/2,473.81
  6. Step 6: Final answer
    x = 1,490.57

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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.