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Finding the Fourth Proportional to 62,253, 85,909.14 and 33,958.80

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Solution

The fourth proportional to 62,253, 85,909.14 and 33,958.80 is: 46,863.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,253 : 85,909.14 = 33,958.80 : x
  2. Step 2: Convert to fraction form
    62,253/85,909.14 = 33,958.80/x
  3. Step 3: Cross multiply
    62,253x = 85,909.14 × 33,958.80
  4. Step 4: Simplify right side
    62,253x = 2,917,371,303.43
  5. Step 5: Solve for x
    x = 2,917,371,303.43/62,253
  6. Step 6: Final answer
    x = 46,863.14

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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.