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Finding the Fourth Proportional to 52,831.16, 79,296.04 and 27,889.64

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Solution

The fourth proportional to 52,831.16, 79,296.04 and 27,889.64 is: 41,860.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,831.16 : 79,296.04 = 27,889.64 : x
  2. Step 2: Convert to fraction form
    52,831.16/79,296.04 = 27,889.64/x
  3. Step 3: Cross multiply
    52,831.16x = 79,296.04 × 27,889.64
  4. Step 4: Simplify right side
    52,831.16x = 2,211,538,009.03
  5. Step 5: Solve for x
    x = 2,211,538,009.03/52,831.16
  6. Step 6: Final answer
    x = 41,860.49

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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.