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Finding the Fourth Proportional to 1,881.99, 2,823.26 and 583.56

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Solution

The fourth proportional to 1,881.99, 2,823.26 and 583.56 is: 875.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.99 : 2,823.26 = 583.56 : x
  2. Step 2: Convert to fraction form
    1,881.99/2,823.26 = 583.56/x
  3. Step 3: Cross multiply
    1,881.99x = 2,823.26 × 583.56
  4. Step 4: Simplify right side
    1,881.99x = 1,647,541.61
  5. Step 5: Solve for x
    x = 1,647,541.61/1,881.99
  6. Step 6: Final answer
    x = 875.43

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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.