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Finding the Fourth Proportional to 52,640.01, 78,960.62 and 17,579.63

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Solution

The fourth proportional to 52,640.01, 78,960.62 and 17,579.63 is: 26,369.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,640.01 : 78,960.62 = 17,579.63 : x
  2. Step 2: Convert to fraction form
    52,640.01/78,960.62 = 17,579.63/x
  3. Step 3: Cross multiply
    52,640.01x = 78,960.62 × 17,579.63
  4. Step 4: Simplify right side
    52,640.01x = 1,388,098,725.52
  5. Step 5: Solve for x
    x = 1,388,098,725.52/52,640.01
  6. Step 6: Final answer
    x = 26,369.65

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1.5x scale

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.