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Finding the Fourth Proportional to 1,573.88, 2,360.82 and 1,478.84

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Solution

The fourth proportional to 1,573.88, 2,360.82 and 1,478.84 is: 2,218.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.88 : 2,360.82 = 1,478.84 : x
  2. Step 2: Convert to fraction form
    1,573.88/2,360.82 = 1,478.84/x
  3. Step 3: Cross multiply
    1,573.88x = 2,360.82 × 1,478.84
  4. Step 4: Simplify right side
    1,573.88x = 3,491,275.05
  5. Step 5: Solve for x
    x = 3,491,275.05/1,573.88
  6. Step 6: Final answer
    x = 2,218.26

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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.