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Finding the Fourth Proportional to 26,738.51, 40,111.61 and 9,203.63

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Solution

The fourth proportional to 26,738.51, 40,111.61 and 9,203.63 is: 13,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,738.51 : 40,111.61 = 9,203.63 : x
  2. Step 2: Convert to fraction form
    26,738.51/40,111.61 = 9,203.63/x
  3. Step 3: Cross multiply
    26,738.51x = 40,111.61 × 9,203.63
  4. Step 4: Simplify right side
    26,738.51x = 369,172,170.57
  5. Step 5: Solve for x
    x = 369,172,170.57/26,738.51
  6. Step 6: Final answer
    x = 13,806.76

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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.