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Finding the Fourth Proportional to 61,358.68, 92,040.06 and 16,981.72

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Solution

The fourth proportional to 61,358.68, 92,040.06 and 16,981.72 is: 25,473.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,358.68 : 92,040.06 = 16,981.72 : x
  2. Step 2: Convert to fraction form
    61,358.68/92,040.06 = 16,981.72/x
  3. Step 3: Cross multiply
    61,358.68x = 92,040.06 × 16,981.72
  4. Step 4: Simplify right side
    61,358.68x = 1,562,998,527.70
  5. Step 5: Solve for x
    x = 1,562,998,527.70/61,358.68
  6. Step 6: Final answer
    x = 25,473.14

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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.