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Finding the Fourth Proportional to 2,588.47, 3,882.16 and 833.63

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Solution

The fourth proportional to 2,588.47, 3,882.16 and 833.63 is: 1,250.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.47 : 3,882.16 = 833.63 : x
  2. Step 2: Convert to fraction form
    2,588.47/3,882.16 = 833.63/x
  3. Step 3: Cross multiply
    2,588.47x = 3,882.16 × 833.63
  4. Step 4: Simplify right side
    2,588.47x = 3,236,301.77
  5. Step 5: Solve for x
    x = 3,236,301.77/2,588.47
  6. Step 6: Final answer
    x = 1,250.27

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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.