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Finding the Fourth Proportional to 64,485.87, 96,614.40 and 26,963.25

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Solution

The fourth proportional to 64,485.87, 96,614.40 and 26,963.25 is: 40,397.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,485.87 : 96,614.40 = 26,963.25 : x
  2. Step 2: Convert to fraction form
    64,485.87/96,614.40 = 26,963.25/x
  3. Step 3: Cross multiply
    64,485.87x = 96,614.40 × 26,963.25
  4. Step 4: Simplify right side
    64,485.87x = 2,605,038,220.80
  5. Step 5: Solve for x
    x = 2,605,038,220.80/64,485.87
  6. Step 6: Final answer
    x = 40,397.04

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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.