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Finding the Fourth Proportional to 39,804.77, 59,707.75 and 10,221.95

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Solution

The fourth proportional to 39,804.77, 59,707.75 and 10,221.95 is: 15,333.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,804.77 : 59,707.75 = 10,221.95 : x
  2. Step 2: Convert to fraction form
    39,804.77/59,707.75 = 10,221.95/x
  3. Step 3: Cross multiply
    39,804.77x = 59,707.75 × 10,221.95
  4. Step 4: Simplify right side
    39,804.77x = 610,329,442.14
  5. Step 5: Solve for x
    x = 610,329,442.14/39,804.77
  6. Step 6: Final answer
    x = 15,333.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.