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Finding the Fourth Proportional to 64,751.53, 97,141.19 and 36,685.03

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Solution

The fourth proportional to 64,751.53, 97,141.19 and 36,685.03 is: 55,035.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,751.53 : 97,141.19 = 36,685.03 : x
  2. Step 2: Convert to fraction form
    64,751.53/97,141.19 = 36,685.03/x
  3. Step 3: Cross multiply
    64,751.53x = 97,141.19 × 36,685.03
  4. Step 4: Simplify right side
    64,751.53x = 3,563,627,431.60
  5. Step 5: Solve for x
    x = 3,563,627,431.60/64,751.53
  6. Step 6: Final answer
    x = 55,035.42

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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.