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Finding the Fourth Proportional to 64,783.26, 96,955.41 and 39,839.10

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Solution

The fourth proportional to 64,783.26, 96,955.41 and 39,839.10 is: 59,623.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,783.26 : 96,955.41 = 39,839.10 : x
  2. Step 2: Convert to fraction form
    64,783.26/96,955.41 = 39,839.10/x
  3. Step 3: Cross multiply
    64,783.26x = 96,955.41 × 39,839.10
  4. Step 4: Simplify right side
    64,783.26x = 3,862,616,274.53
  5. Step 5: Solve for x
    x = 3,862,616,274.53/64,783.26
  6. Step 6: Final answer
    x = 59,623.68

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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.