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Finding the Fourth Proportional to 2,502.63, 3,752.93 and 747.02

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Solution

The fourth proportional to 2,502.63, 3,752.93 and 747.02 is: 1,120.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,502.63 : 3,752.93 = 747.02 : x
  2. Step 2: Convert to fraction form
    2,502.63/3,752.93 = 747.02/x
  3. Step 3: Cross multiply
    2,502.63x = 3,752.93 × 747.02
  4. Step 4: Simplify right side
    2,502.63x = 2,803,525.02
  5. Step 5: Solve for x
    x = 2,803,525.02/2,502.63
  6. Step 6: Final answer
    x = 1,120.23

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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.