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Finding the Fourth Proportional to 63,021, 86,969.25 and 34,726.08

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Solution

The fourth proportional to 63,021, 86,969.25 and 34,726.08 is: 47,922.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,021 : 86,969.25 = 34,726.08 : x
  2. Step 2: Convert to fraction form
    63,021/86,969.25 = 34,726.08/x
  3. Step 3: Cross multiply
    63,021x = 86,969.25 × 34,726.08
  4. Step 4: Simplify right side
    63,021x = 3,020,101,133.04
  5. Step 5: Solve for x
    x = 3,020,101,133.04/63,021
  6. Step 6: Final answer
    x = 47,922.14

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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.