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Finding the Fourth Proportional to 65,001.40, 89,743.62 and 53,093.32

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Solution

The fourth proportional to 65,001.40, 89,743.62 and 53,093.32 is: 73,302.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,001.40 : 89,743.62 = 53,093.32 : x
  2. Step 2: Convert to fraction form
    65,001.40/89,743.62 = 53,093.32/x
  3. Step 3: Cross multiply
    65,001.40x = 89,743.62 × 53,093.32
  4. Step 4: Simplify right side
    65,001.40x = 4,764,786,734.62
  5. Step 5: Solve for x
    x = 4,764,786,734.62/65,001.40
  6. Step 6: Final answer
    x = 73,302.83

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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.