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Finding the Fourth Proportional to 2,574.92, 3,553.14 and 1,455.94

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Solution

The fourth proportional to 2,574.92, 3,553.14 and 1,455.94 is: 2,009.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.92 : 3,553.14 = 1,455.94 : x
  2. Step 2: Convert to fraction form
    2,574.92/3,553.14 = 1,455.94/x
  3. Step 3: Cross multiply
    2,574.92x = 3,553.14 × 1,455.94
  4. Step 4: Simplify right side
    2,574.92x = 5,173,158.65
  5. Step 5: Solve for x
    x = 5,173,158.65/2,574.92
  6. Step 6: Final answer
    x = 2,009.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.