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Finding the Fourth Proportional to 2,637.52, 3,953.12 and 1,230.04

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Solution

The fourth proportional to 2,637.52, 3,953.12 and 1,230.04 is: 1,843.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.52 : 3,953.12 = 1,230.04 : x
  2. Step 2: Convert to fraction form
    2,637.52/3,953.12 = 1,230.04/x
  3. Step 3: Cross multiply
    2,637.52x = 3,953.12 × 1,230.04
  4. Step 4: Simplify right side
    2,637.52x = 4,862,479.69
  5. Step 5: Solve for x
    x = 4,862,479.69/2,637.52
  6. Step 6: Final answer
    x = 1,843.58

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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.