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Finding the Fourth Proportional to 65,851, 90,841.96 and 44,636.92

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Solution

The fourth proportional to 65,851, 90,841.96 and 44,636.92 is: 61,576.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,851 : 90,841.96 = 44,636.92 : x
  2. Step 2: Convert to fraction form
    65,851/90,841.96 = 44,636.92/x
  3. Step 3: Cross multiply
    65,851x = 90,841.96 × 44,636.92
  4. Step 4: Simplify right side
    65,851x = 4,054,905,301.16
  5. Step 5: Solve for x
    x = 4,054,905,301.16/65,851
  6. Step 6: Final answer
    x = 61,576.97

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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.