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Finding the Fourth Proportional to 66,552.94, 99,670.64 and 36,897.22

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Solution

The fourth proportional to 66,552.94, 99,670.64 and 36,897.22 is: 55,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,552.94 : 99,670.64 = 36,897.22 : x
  2. Step 2: Convert to fraction form
    66,552.94/99,670.64 = 36,897.22/x
  3. Step 3: Cross multiply
    66,552.94x = 99,670.64 × 36,897.22
  4. Step 4: Simplify right side
    66,552.94x = 3,677,569,033.27
  5. Step 5: Solve for x
    x = 3,677,569,033.27/66,552.94
  6. Step 6: Final answer
    x = 55,257.80

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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.