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Finding the Fourth Proportional to 1,922.03, 2,882.60 and 752.06

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Solution

The fourth proportional to 1,922.03, 2,882.60 and 752.06 is: 1,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.03 : 2,882.60 = 752.06 : x
  2. Step 2: Convert to fraction form
    1,922.03/2,882.60 = 752.06/x
  3. Step 3: Cross multiply
    1,922.03x = 2,882.60 × 752.06
  4. Step 4: Simplify right side
    1,922.03x = 2,167,869.98
  5. Step 5: Solve for x
    x = 2,167,869.98/1,922.03
  6. Step 6: Final answer
    x = 1,127.91

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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.