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Finding the Fourth Proportional to 3,740.52, 5,608.02 and 1,274.68

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Solution

The fourth proportional to 3,740.52, 5,608.02 and 1,274.68 is: 1,911.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.52 : 5,608.02 = 1,274.68 : x
  2. Step 2: Convert to fraction form
    3,740.52/5,608.02 = 1,274.68/x
  3. Step 3: Cross multiply
    3,740.52x = 5,608.02 × 1,274.68
  4. Step 4: Simplify right side
    3,740.52x = 7,148,430.93
  5. Step 5: Solve for x
    x = 7,148,430.93/3,740.52
  6. Step 6: Final answer
    x = 1,911.08

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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.