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Finding the Fourth Proportional to 64,783.25, 96,967.10 and 34,722.48

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Solution

The fourth proportional to 64,783.25, 96,967.10 and 34,722.48 is: 51,972.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,783.25 : 96,967.10 = 34,722.48 : x
  2. Step 2: Convert to fraction form
    64,783.25/96,967.10 = 34,722.48/x
  3. Step 3: Cross multiply
    64,783.25x = 96,967.10 × 34,722.48
  4. Step 4: Simplify right side
    64,783.25x = 3,366,938,277.21
  5. Step 5: Solve for x
    x = 3,366,938,277.21/64,783.25
  6. Step 6: Final answer
    x = 51,972.36

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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.