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Finding the Fourth Proportional to 18,263.70, 27,395.56 and 6,256.76

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Solution

The fourth proportional to 18,263.70, 27,395.56 and 6,256.76 is: 9,385.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263.70 : 27,395.56 = 6,256.76 : x
  2. Step 2: Convert to fraction form
    18,263.70/27,395.56 = 6,256.76/x
  3. Step 3: Cross multiply
    18,263.70x = 27,395.56 × 6,256.76
  4. Step 4: Simplify right side
    18,263.70x = 171,407,443.99
  5. Step 5: Solve for x
    x = 171,407,443.99/18,263.70
  6. Step 6: Final answer
    x = 9,385.14

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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.