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Finding the Fourth Proportional to 64,802.60, 97,127.10 and 33,621.80

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Solution

The fourth proportional to 64,802.60, 97,127.10 and 33,621.80 is: 50,392.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,802.60 : 97,127.10 = 33,621.80 : x
  2. Step 2: Convert to fraction form
    64,802.60/97,127.10 = 33,621.80/x
  3. Step 3: Cross multiply
    64,802.60x = 97,127.10 × 33,621.80
  4. Step 4: Simplify right side
    64,802.60x = 3,265,587,930.78
  5. Step 5: Solve for x
    x = 3,265,587,930.78/64,802.60
  6. Step 6: Final answer
    x = 50,392.85

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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.