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Finding the Fourth Proportional to 1,881.80, 2,822.74 and 583.26

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Solution

The fourth proportional to 1,881.80, 2,822.74 and 583.26 is: 874.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.80 : 2,822.74 = 583.26 : x
  2. Step 2: Convert to fraction form
    1,881.80/2,822.74 = 583.26/x
  3. Step 3: Cross multiply
    1,881.80x = 2,822.74 × 583.26
  4. Step 4: Simplify right side
    1,881.80x = 1,646,391.33
  5. Step 5: Solve for x
    x = 1,646,391.33/1,881.80
  6. Step 6: Final answer
    x = 874.90

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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.