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Finding the Fourth Proportional to 56,615.61, 84,923.11 and 14,495.61

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Solution

The fourth proportional to 56,615.61, 84,923.11 and 14,495.61 is: 21,743.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,615.61 : 84,923.11 = 14,495.61 : x
  2. Step 2: Convert to fraction form
    56,615.61/84,923.11 = 14,495.61/x
  3. Step 3: Cross multiply
    56,615.61x = 84,923.11 × 14,495.61
  4. Step 4: Simplify right side
    56,615.61x = 1,231,012,282.55
  5. Step 5: Solve for x
    x = 1,231,012,282.55/56,615.61
  6. Step 6: Final answer
    x = 21,743.34

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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.