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Finding the Fourth Proportional to 63,007.71, 86,945.49 and 34,713.39

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Solution

The fourth proportional to 63,007.71, 86,945.49 and 34,713.39 is: 47,901.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,007.71 : 86,945.49 = 34,713.39 : x
  2. Step 2: Convert to fraction form
    63,007.71/86,945.49 = 34,713.39/x
  3. Step 3: Cross multiply
    63,007.71x = 86,945.49 × 34,713.39
  4. Step 4: Simplify right side
    63,007.71x = 3,018,172,703.11
  5. Step 5: Solve for x
    x = 3,018,172,703.11/63,007.71
  6. Step 6: Final answer
    x = 47,901.64

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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.