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Finding the Fourth Proportional to 58,993.40, 88,474.62 and 40,269.98

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Solution

The fourth proportional to 58,993.40, 88,474.62 and 40,269.98 is: 60,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,993.40 : 88,474.62 = 40,269.98 : x
  2. Step 2: Convert to fraction form
    58,993.40/88,474.62 = 40,269.98/x
  3. Step 3: Cross multiply
    58,993.40x = 88,474.62 × 40,269.98
  4. Step 4: Simplify right side
    58,993.40x = 3,562,871,177.91
  5. Step 5: Solve for x
    x = 3,562,871,177.91/58,993.40
  6. Step 6: Final answer
    x = 60,394.40

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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.