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Finding the Fourth Proportional to 26,743.76, 40,119.48 and 9,208.88

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Solution

The fourth proportional to 26,743.76, 40,119.48 and 9,208.88 is: 13,814.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,743.76 : 40,119.48 = 9,208.88 : x
  2. Step 2: Convert to fraction form
    26,743.76/40,119.48 = 9,208.88/x
  3. Step 3: Cross multiply
    26,743.76x = 40,119.48 × 9,208.88
  4. Step 4: Simplify right side
    26,743.76x = 369,455,476.98
  5. Step 5: Solve for x
    x = 369,455,476.98/26,743.76
  6. Step 6: Final answer
    x = 13,814.64

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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.