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Finding the Fourth Proportional to 56,379.77, 84,574.65 and 14,826.77

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Solution

The fourth proportional to 56,379.77, 84,574.65 and 14,826.77 is: 22,241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,379.77 : 84,574.65 = 14,826.77 : x
  2. Step 2: Convert to fraction form
    56,379.77/84,574.65 = 14,826.77/x
  3. Step 3: Cross multiply
    56,379.77x = 84,574.65 × 14,826.77
  4. Step 4: Simplify right side
    56,379.77x = 1,253,968,386.37
  5. Step 5: Solve for x
    x = 1,253,968,386.37/56,379.77
  6. Step 6: Final answer
    x = 22,241.46

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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.