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Finding the Fourth Proportional to 66,733.60, 92,092.36 and 36,518.93

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Solution

The fourth proportional to 66,733.60, 92,092.36 and 36,518.93 is: 50,396.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,733.60 : 92,092.36 = 36,518.93 : x
  2. Step 2: Convert to fraction form
    66,733.60/92,092.36 = 36,518.93/x
  3. Step 3: Cross multiply
    66,733.60x = 92,092.36 × 36,518.93
  4. Step 4: Simplify right side
    66,733.60x = 3,363,114,448.37
  5. Step 5: Solve for x
    x = 3,363,114,448.37/66,733.60
  6. Step 6: Final answer
    x = 50,396.12

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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.