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Finding the Fourth Proportional to 1,524.63, 2,287.33 and 703.48

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Solution

The fourth proportional to 1,524.63, 2,287.33 and 703.48 is: 1,055.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524.63 : 2,287.33 = 703.48 : x
  2. Step 2: Convert to fraction form
    1,524.63/2,287.33 = 703.48/x
  3. Step 3: Cross multiply
    1,524.63x = 2,287.33 × 703.48
  4. Step 4: Simplify right side
    1,524.63x = 1,609,083.43
  5. Step 5: Solve for x
    x = 1,609,083.43/1,524.63
  6. Step 6: Final answer
    x = 1,055.39

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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.