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Finding the Fourth Proportional to 64,330.40, 96,452.40 and 34,349.60

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Solution

The fourth proportional to 64,330.40, 96,452.40 and 34,349.60 is: 51,501.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,330.40 : 96,452.40 = 34,349.60 : x
  2. Step 2: Convert to fraction form
    64,330.40/96,452.40 = 34,349.60/x
  3. Step 3: Cross multiply
    64,330.40x = 96,452.40 × 34,349.60
  4. Step 4: Simplify right side
    64,330.40x = 3,313,101,359.04
  5. Step 5: Solve for x
    x = 3,313,101,359.04/64,330.40
  6. Step 6: Final answer
    x = 51,501.33

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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.