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Finding the Fourth Proportional to 61,864.48, 92,664.96 and 30,225.88

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Solution

The fourth proportional to 61,864.48, 92,664.96 and 30,225.88 is: 45,274.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,864.48 : 92,664.96 = 30,225.88 : x
  2. Step 2: Convert to fraction form
    61,864.48/92,664.96 = 30,225.88/x
  3. Step 3: Cross multiply
    61,864.48x = 92,664.96 × 30,225.88
  4. Step 4: Simplify right side
    61,864.48x = 2,800,879,961.16
  5. Step 5: Solve for x
    x = 2,800,879,961.16/61,864.48
  6. Step 6: Final answer
    x = 45,274.44

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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.