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Finding the Fourth Proportional to 56,658.70, 84,993.38 and 16,677.71

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Solution

The fourth proportional to 56,658.70, 84,993.38 and 16,677.71 is: 25,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,658.70 : 84,993.38 = 16,677.71 : x
  2. Step 2: Convert to fraction form
    56,658.70/84,993.38 = 16,677.71/x
  3. Step 3: Cross multiply
    56,658.70x = 84,993.38 × 16,677.71
  4. Step 4: Simplify right side
    56,658.70x = 1,417,494,943.56
  5. Step 5: Solve for x
    x = 1,417,494,943.56/56,658.70
  6. Step 6: Final answer
    x = 25,018.13

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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.