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Finding the Fourth Proportional to 45,806.90, 63,215.34 and 25,663.95

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Solution

The fourth proportional to 45,806.90, 63,215.34 and 25,663.95 is: 35,417.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,806.90 : 63,215.34 = 25,663.95 : x
  2. Step 2: Convert to fraction form
    45,806.90/63,215.34 = 25,663.95/x
  3. Step 3: Cross multiply
    45,806.90x = 63,215.34 × 25,663.95
  4. Step 4: Simplify right side
    45,806.90x = 1,622,355,324.99
  5. Step 5: Solve for x
    x = 1,622,355,324.99/45,806.90
  6. Step 6: Final answer
    x = 35,417.27

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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.