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Finding the Fourth Proportional to 5,392.68, 7,442.02 and 3,035.08

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Solution

The fourth proportional to 5,392.68, 7,442.02 and 3,035.08 is: 4,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.68 : 7,442.02 = 3,035.08 : x
  2. Step 2: Convert to fraction form
    5,392.68/7,442.02 = 3,035.08/x
  3. Step 3: Cross multiply
    5,392.68x = 7,442.02 × 3,035.08
  4. Step 4: Simplify right side
    5,392.68x = 22,587,126.06
  5. Step 5: Solve for x
    x = 22,587,126.06/5,392.68
  6. Step 6: Final answer
    x = 4,188.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.