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Finding the Fourth Proportional to 44,495.40, 66,743.28 and 36,135.72

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Solution

The fourth proportional to 44,495.40, 66,743.28 and 36,135.72 is: 54,203.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,495.40 : 66,743.28 = 36,135.72 : x
  2. Step 2: Convert to fraction form
    44,495.40/66,743.28 = 36,135.72/x
  3. Step 3: Cross multiply
    44,495.40x = 66,743.28 × 36,135.72
  4. Step 4: Simplify right side
    44,495.40x = 2,411,816,477.96
  5. Step 5: Solve for x
    x = 2,411,816,477.96/44,495.40
  6. Step 6: Final answer
    x = 54,203.73

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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.