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Finding the Fourth Proportional to 5,339.55, 8,009.54 and 1,831.97

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Solution

The fourth proportional to 5,339.55, 8,009.54 and 1,831.97 is: 2,748.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.55 : 8,009.54 = 1,831.97 : x
  2. Step 2: Convert to fraction form
    5,339.55/8,009.54 = 1,831.97/x
  3. Step 3: Cross multiply
    5,339.55x = 8,009.54 × 1,831.97
  4. Step 4: Simplify right side
    5,339.55x = 14,673,192.37
  5. Step 5: Solve for x
    x = 14,673,192.37/5,339.55
  6. Step 6: Final answer
    x = 2,748.02

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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.