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Finding the Fourth Proportional to 55,887.75, 83,831.84 and 53,084.75

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Solution

The fourth proportional to 55,887.75, 83,831.84 and 53,084.75 is: 79,627.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,887.75 : 83,831.84 = 53,084.75 : x
  2. Step 2: Convert to fraction form
    55,887.75/83,831.84 = 53,084.75/x
  3. Step 3: Cross multiply
    55,887.75x = 83,831.84 × 53,084.75
  4. Step 4: Simplify right side
    55,887.75x = 4,450,191,583.86
  5. Step 5: Solve for x
    x = 4,450,191,583.86/55,887.75
  6. Step 6: Final answer
    x = 79,627.32

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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.