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Finding the Fourth Proportional to 64,487.87, 96,617.40 and 26,965.25

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Solution

The fourth proportional to 64,487.87, 96,617.40 and 26,965.25 is: 40,400.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,487.87 : 96,617.40 = 26,965.25 : x
  2. Step 2: Convert to fraction form
    64,487.87/96,617.40 = 26,965.25/x
  3. Step 3: Cross multiply
    64,487.87x = 96,617.40 × 26,965.25
  4. Step 4: Simplify right side
    64,487.87x = 2,605,312,345.35
  5. Step 5: Solve for x
    x = 2,605,312,345.35/64,487.87
  6. Step 6: Final answer
    x = 40,400.04

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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.