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Finding the Fourth Proportional to 2,041.51, 3,062.45 and 742.63

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Solution

The fourth proportional to 2,041.51, 3,062.45 and 742.63 is: 1,114.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.51 : 3,062.45 = 742.63 : x
  2. Step 2: Convert to fraction form
    2,041.51/3,062.45 = 742.63/x
  3. Step 3: Cross multiply
    2,041.51x = 3,062.45 × 742.63
  4. Step 4: Simplify right side
    2,041.51x = 2,274,267.24
  5. Step 5: Solve for x
    x = 2,274,267.24/2,041.51
  6. Step 6: Final answer
    x = 1,114.01

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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.