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Finding the Fourth Proportional to 18,100.66, 27,152.01 and 5,622.46

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Solution

The fourth proportional to 18,100.66, 27,152.01 and 5,622.46 is: 8,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.66 : 27,152.01 = 5,622.46 : x
  2. Step 2: Convert to fraction form
    18,100.66/27,152.01 = 5,622.46/x
  3. Step 3: Cross multiply
    18,100.66x = 27,152.01 × 5,622.46
  4. Step 4: Simplify right side
    18,100.66x = 152,661,090.14
  5. Step 5: Solve for x
    x = 152,661,090.14/18,100.66
  6. Step 6: Final answer
    x = 8,434.01

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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.