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Finding the Fourth Proportional to 56,339.77, 84,504.14 and 14,786.77

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Solution

The fourth proportional to 56,339.77, 84,504.14 and 14,786.77 is: 22,178.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,339.77 : 84,504.14 = 14,786.77 : x
  2. Step 2: Convert to fraction form
    56,339.77/84,504.14 = 14,786.77/x
  3. Step 3: Cross multiply
    56,339.77x = 84,504.14 × 14,786.77
  4. Step 4: Simplify right side
    56,339.77x = 1,249,543,282.23
  5. Step 5: Solve for x
    x = 1,249,543,282.23/56,339.77
  6. Step 6: Final answer
    x = 22,178.71

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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.