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Finding the Fourth Proportional to 44,334.70, 66,534.45 and 31,212.70

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Solution

The fourth proportional to 44,334.70, 66,534.45 and 31,212.70 is: 46,841.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,334.70 : 66,534.45 = 31,212.70 : x
  2. Step 2: Convert to fraction form
    44,334.70/66,534.45 = 31,212.70/x
  3. Step 3: Cross multiply
    44,334.70x = 66,534.45 × 31,212.70
  4. Step 4: Simplify right side
    44,334.70x = 2,076,719,827.52
  5. Step 5: Solve for x
    x = 2,076,719,827.52/44,334.70
  6. Step 6: Final answer
    x = 46,841.86

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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.