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Finding the Fourth Proportional to 61,094.91, 91,642.30 and 16,722.03

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Solution

The fourth proportional to 61,094.91, 91,642.30 and 16,722.03 is: 25,083.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,094.91 : 91,642.30 = 16,722.03 : x
  2. Step 2: Convert to fraction form
    61,094.91/91,642.30 = 16,722.03/x
  3. Step 3: Cross multiply
    61,094.91x = 91,642.30 × 16,722.03
  4. Step 4: Simplify right side
    61,094.91x = 1,532,445,248.06
  5. Step 5: Solve for x
    x = 1,532,445,248.06/61,094.91
  6. Step 6: Final answer
    x = 25,083.03

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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.