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Finding the Fourth Proportional to 64,656.33, 96,858.40 and 36,491.19

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Solution

The fourth proportional to 64,656.33, 96,858.40 and 36,491.19 is: 54,665.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,656.33 : 96,858.40 = 36,491.19 : x
  2. Step 2: Convert to fraction form
    64,656.33/96,858.40 = 36,491.19/x
  3. Step 3: Cross multiply
    64,656.33x = 96,858.40 × 36,491.19
  4. Step 4: Simplify right side
    64,656.33x = 3,534,478,186.27
  5. Step 5: Solve for x
    x = 3,534,478,186.27/64,656.33
  6. Step 6: Final answer
    x = 54,665.62

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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.