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Finding the Fourth Proportional to 62,838, 86,716.62 and 34,543.89

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Solution

The fourth proportional to 62,838, 86,716.62 and 34,543.89 is: 47,670.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,838 : 86,716.62 = 34,543.89 : x
  2. Step 2: Convert to fraction form
    62,838/86,716.62 = 34,543.89/x
  3. Step 3: Cross multiply
    62,838x = 86,716.62 × 34,543.89
  4. Step 4: Simplify right side
    62,838x = 2,995,529,382.45
  5. Step 5: Solve for x
    x = 2,995,529,382.45/62,838
  6. Step 6: Final answer
    x = 47,670.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.