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Finding the Fourth Proportional to 18,046.54, 27,071.18 and 4,899.93

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Solution

The fourth proportional to 18,046.54, 27,071.18 and 4,899.93 is: 7,350.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,046.54 : 27,071.18 = 4,899.93 : x
  2. Step 2: Convert to fraction form
    18,046.54/27,071.18 = 4,899.93/x
  3. Step 3: Cross multiply
    18,046.54x = 27,071.18 × 4,899.93
  4. Step 4: Simplify right side
    18,046.54x = 132,646,887.02
  5. Step 5: Solve for x
    x = 132,646,887.02/18,046.54
  6. Step 6: Final answer
    x = 7,350.27

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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.