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Finding the Fourth Proportional to 59,977.82, 89,969.98 and 15,604.68

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Solution

The fourth proportional to 59,977.82, 89,969.98 and 15,604.68 is: 23,407.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,977.82 : 89,969.98 = 15,604.68 : x
  2. Step 2: Convert to fraction form
    59,977.82/89,969.98 = 15,604.68/x
  3. Step 3: Cross multiply
    59,977.82x = 89,969.98 × 15,604.68
  4. Step 4: Simplify right side
    59,977.82x = 1,403,952,747.51
  5. Step 5: Solve for x
    x = 1,403,952,747.51/59,977.82
  6. Step 6: Final answer
    x = 23,407.87

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Why These Related Problems?

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