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Finding the Fourth Proportional to 52,606.23, 72,593.87 and 28,728.24

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Solution

The fourth proportional to 52,606.23, 72,593.87 and 28,728.24 is: 39,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,606.23 : 72,593.87 = 28,728.24 : x
  2. Step 2: Convert to fraction form
    52,606.23/72,593.87 = 28,728.24/x
  3. Step 3: Cross multiply
    52,606.23x = 72,593.87 × 28,728.24
  4. Step 4: Simplify right side
    52,606.23x = 2,085,493,976.25
  5. Step 5: Solve for x
    x = 2,085,493,976.25/52,606.23
  6. Step 6: Final answer
    x = 39,643.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.