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Finding the Fourth Proportional to 62,831.53, 86,706.53 and 34,536.61

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Solution

The fourth proportional to 62,831.53, 86,706.53 and 34,536.61 is: 47,659.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,831.53 : 86,706.53 = 34,536.61 : x
  2. Step 2: Convert to fraction form
    62,831.53/86,706.53 = 34,536.61/x
  3. Step 3: Cross multiply
    62,831.53x = 86,706.53 × 34,536.61
  4. Step 4: Simplify right side
    62,831.53x = 2,994,549,177.53
  5. Step 5: Solve for x
    x = 2,994,549,177.53/62,831.53
  6. Step 6: Final answer
    x = 47,659.98

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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.