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Finding the Fourth Proportional to 1,704.48, 2,552.40 and 1,053.24

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Solution

The fourth proportional to 1,704.48, 2,552.40 and 1,053.24 is: 1,577.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.48 : 2,552.40 = 1,053.24 : x
  2. Step 2: Convert to fraction form
    1,704.48/2,552.40 = 1,053.24/x
  3. Step 3: Cross multiply
    1,704.48x = 2,552.40 × 1,053.24
  4. Step 4: Simplify right side
    1,704.48x = 2,688,289.78
  5. Step 5: Solve for x
    x = 2,688,289.78/1,704.48
  6. Step 6: Final answer
    x = 1,577.19

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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.