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Finding the Fourth Proportional to 1,461.53, 2,193.48 and 537.39

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Solution

The fourth proportional to 1,461.53, 2,193.48 and 537.39 is: 806.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.53 : 2,193.48 = 537.39 : x
  2. Step 2: Convert to fraction form
    1,461.53/2,193.48 = 537.39/x
  3. Step 3: Cross multiply
    1,461.53x = 2,193.48 × 537.39
  4. Step 4: Simplify right side
    1,461.53x = 1,178,754.22
  5. Step 5: Solve for x
    x = 1,178,754.22/1,461.53
  6. Step 6: Final answer
    x = 806.52

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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.