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Finding the Fourth Proportional to 1,001.33, 1,499.37 and 707.24

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Solution

The fourth proportional to 1,001.33, 1,499.37 and 707.24 is: 1,059.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001.33 : 1,499.37 = 707.24 : x
  2. Step 2: Convert to fraction form
    1,001.33/1,499.37 = 707.24/x
  3. Step 3: Cross multiply
    1,001.33x = 1,499.37 × 707.24
  4. Step 4: Simplify right side
    1,001.33x = 1,060,414.44
  5. Step 5: Solve for x
    x = 1,060,414.44/1,001.33
  6. Step 6: Final answer
    x = 1,059.01

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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.