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Finding the Fourth Proportional to 18,466.40, 27,699.60 and 17,227.10

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Solution

The fourth proportional to 18,466.40, 27,699.60 and 17,227.10 is: 25,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466.40 : 27,699.60 = 17,227.10 : x
  2. Step 2: Convert to fraction form
    18,466.40/27,699.60 = 17,227.10/x
  3. Step 3: Cross multiply
    18,466.40x = 27,699.60 × 17,227.10
  4. Step 4: Simplify right side
    18,466.40x = 477,183,779.16
  5. Step 5: Solve for x
    x = 477,183,779.16/18,466.40
  6. Step 6: Final answer
    x = 25,840.65

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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.