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Finding the Fourth Proportional to 1,751.52, 2,629.02 and 1,022.52

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Solution

The fourth proportional to 1,751.52, 2,629.02 and 1,022.52 is: 1,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.52 : 2,629.02 = 1,022.52 : x
  2. Step 2: Convert to fraction form
    1,751.52/2,629.02 = 1,022.52/x
  3. Step 3: Cross multiply
    1,751.52x = 2,629.02 × 1,022.52
  4. Step 4: Simplify right side
    1,751.52x = 2,688,225.53
  5. Step 5: Solve for x
    x = 2,688,225.53/1,751.52
  6. Step 6: Final answer
    x = 1,534.80

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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.