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Finding the Fourth Proportional to 56,161.71, 84,242.52 and 14,608.71

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Solution

The fourth proportional to 56,161.71, 84,242.52 and 14,608.71 is: 21,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,161.71 : 84,242.52 = 14,608.71 : x
  2. Step 2: Convert to fraction form
    56,161.71/84,242.52 = 14,608.71/x
  3. Step 3: Cross multiply
    56,161.71x = 84,242.52 × 14,608.71
  4. Step 4: Simplify right side
    56,161.71x = 1,230,674,544.35
  5. Step 5: Solve for x
    x = 1,230,674,544.35/56,161.71
  6. Step 6: Final answer
    x = 21,913.05

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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.