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Finding the Fourth Proportional to 1,752.64, 2,629.66 and 1,725.00

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Solution

The fourth proportional to 1,752.64, 2,629.66 and 1,725.00 is: 2,588.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.64 : 2,629.66 = 1,725.00 : x
  2. Step 2: Convert to fraction form
    1,752.64/2,629.66 = 1,725.00/x
  3. Step 3: Cross multiply
    1,752.64x = 2,629.66 × 1,725.00
  4. Step 4: Simplify right side
    1,752.64x = 4,536,150.35
  5. Step 5: Solve for x
    x = 4,536,150.35/1,752.64
  6. Step 6: Final answer
    x = 2,588.19

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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.