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Finding the Fourth Proportional to 64,462.62, 96,579.54 and 26,940

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Solution

The fourth proportional to 64,462.62, 96,579.54 and 26,940 is: 40,362.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,462.62 : 96,579.54 = 26,940 : x
  2. Step 2: Convert to fraction form
    64,462.62/96,579.54 = 26,940/x
  3. Step 3: Cross multiply
    64,462.62x = 96,579.54 × 26,940
  4. Step 4: Simplify right side
    64,462.62x = 2,601,852,807.60
  5. Step 5: Solve for x
    x = 2,601,852,807.60/64,462.62
  6. Step 6: Final answer
    x = 40,362.19

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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.