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Finding the Fourth Proportional to 1,975.72, 2,959.62 and 1,024.24

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Solution

The fourth proportional to 1,975.72, 2,959.62 and 1,024.24 is: 1,534.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.72 : 2,959.62 = 1,024.24 : x
  2. Step 2: Convert to fraction form
    1,975.72/2,959.62 = 1,024.24/x
  3. Step 3: Cross multiply
    1,975.72x = 2,959.62 × 1,024.24
  4. Step 4: Simplify right side
    1,975.72x = 3,031,361.19
  5. Step 5: Solve for x
    x = 3,031,361.19/1,975.72
  6. Step 6: Final answer
    x = 1,534.31

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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.