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Finding the Fourth Proportional to 22,360.76, 33,535.74 and 6,561.98

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Solution

The fourth proportional to 22,360.76, 33,535.74 and 6,561.98 is: 9,841.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,360.76 : 33,535.74 = 6,561.98 : x
  2. Step 2: Convert to fraction form
    22,360.76/33,535.74 = 6,561.98/x
  3. Step 3: Cross multiply
    22,360.76x = 33,535.74 × 6,561.98
  4. Step 4: Simplify right side
    22,360.76x = 220,060,855.17
  5. Step 5: Solve for x
    x = 220,060,855.17/22,360.76
  6. Step 6: Final answer
    x = 9,841.39

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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.