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Finding the Fourth Proportional to 62,831.03, 86,705.84 and 34,536.11

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Solution

The fourth proportional to 62,831.03, 86,705.84 and 34,536.11 is: 47,659.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,831.03 : 86,705.84 = 34,536.11 : x
  2. Step 2: Convert to fraction form
    62,831.03/86,705.84 = 34,536.11/x
  3. Step 3: Cross multiply
    62,831.03x = 86,705.84 × 34,536.11
  4. Step 4: Simplify right side
    62,831.03x = 2,994,482,080.69
  5. Step 5: Solve for x
    x = 2,994,482,080.69/62,831.03
  6. Step 6: Final answer
    x = 47,659.29

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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.