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Finding the Fourth Proportional to 56,089.89, 84,125.12 and 14,536.89

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Solution

The fourth proportional to 56,089.89, 84,125.12 and 14,536.89 is: 21,802.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,089.89 : 84,125.12 = 14,536.89 : x
  2. Step 2: Convert to fraction form
    56,089.89/84,125.12 = 14,536.89/x
  3. Step 3: Cross multiply
    56,089.89x = 84,125.12 × 14,536.89
  4. Step 4: Simplify right side
    56,089.89x = 1,222,917,542.99
  5. Step 5: Solve for x
    x = 1,222,917,542.99/56,089.89
  6. Step 6: Final answer
    x = 21,802.82

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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.