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Finding the Fourth Proportional to 26,805.60, 40,208.40 and 9,273.60

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Solution

The fourth proportional to 26,805.60, 40,208.40 and 9,273.60 is: 13,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,805.60 : 40,208.40 = 9,273.60 : x
  2. Step 2: Convert to fraction form
    26,805.60/40,208.40 = 9,273.60/x
  3. Step 3: Cross multiply
    26,805.60x = 40,208.40 × 9,273.60
  4. Step 4: Simplify right side
    26,805.60x = 372,876,618.24
  5. Step 5: Solve for x
    x = 372,876,618.24/26,805.60
  6. Step 6: Final answer
    x = 13,910.40

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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.