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Finding the Fourth Proportional to 63,007.07, 86,949.70 and 34,712.75

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Solution

The fourth proportional to 63,007.07, 86,949.70 and 34,712.75 is: 47,903.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,007.07 : 86,949.70 = 34,712.75 : x
  2. Step 2: Convert to fraction form
    63,007.07/86,949.70 = 34,712.75/x
  3. Step 3: Cross multiply
    63,007.07x = 86,949.70 × 34,712.75
  4. Step 4: Simplify right side
    63,007.07x = 3,018,263,524.53
  5. Step 5: Solve for x
    x = 3,018,263,524.53/63,007.07
  6. Step 6: Final answer
    x = 47,903.57

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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.