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Finding the Fourth Proportional to 18,558.32, 27,848.42 and 7,466.14

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Solution

The fourth proportional to 18,558.32, 27,848.42 and 7,466.14 is: 11,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558.32 : 27,848.42 = 7,466.14 : x
  2. Step 2: Convert to fraction form
    18,558.32/27,848.42 = 7,466.14/x
  3. Step 3: Cross multiply
    18,558.32x = 27,848.42 × 7,466.14
  4. Step 4: Simplify right side
    18,558.32x = 207,920,025.93
  5. Step 5: Solve for x
    x = 207,920,025.93/18,558.32
  6. Step 6: Final answer
    x = 11,203.60

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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.