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Finding the Fourth Proportional to 35,311.88, 48,690.46 and 22,548.28

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Solution

The fourth proportional to 35,311.88, 48,690.46 and 22,548.28 is: 31,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,311.88 : 48,690.46 = 22,548.28 : x
  2. Step 2: Convert to fraction form
    35,311.88/48,690.46 = 22,548.28/x
  3. Step 3: Cross multiply
    35,311.88x = 48,690.46 × 22,548.28
  4. Step 4: Simplify right side
    35,311.88x = 1,097,886,125.41
  5. Step 5: Solve for x
    x = 1,097,886,125.41/35,311.88
  6. Step 6: Final answer
    x = 31,091.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.