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Finding the Fourth Proportional to 64,919.70, 97,452.45 and 35,322.30

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Solution

The fourth proportional to 64,919.70, 97,452.45 and 35,322.30 is: 53,023.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,919.70 : 97,452.45 = 35,322.30 : x
  2. Step 2: Convert to fraction form
    64,919.70/97,452.45 = 35,322.30/x
  3. Step 3: Cross multiply
    64,919.70x = 97,452.45 × 35,322.30
  4. Step 4: Simplify right side
    64,919.70x = 3,442,244,674.64
  5. Step 5: Solve for x
    x = 3,442,244,674.64/64,919.70
  6. Step 6: Final answer
    x = 53,023.11

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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.