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Finding the Fourth Proportional to 2,368.71, 3,553.74 and 1,052.79

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Solution

The fourth proportional to 2,368.71, 3,553.74 and 1,052.79 is: 1,579.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.71 : 3,553.74 = 1,052.79 : x
  2. Step 2: Convert to fraction form
    2,368.71/3,553.74 = 1,052.79/x
  3. Step 3: Cross multiply
    2,368.71x = 3,553.74 × 1,052.79
  4. Step 4: Simplify right side
    2,368.71x = 3,741,341.93
  5. Step 5: Solve for x
    x = 3,741,341.93/2,368.71
  6. Step 6: Final answer
    x = 1,579.49

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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.