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Finding the Fourth Proportional to 18,364.56, 27,548.88 and 5,881.64

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Solution

The fourth proportional to 18,364.56, 27,548.88 and 5,881.64 is: 8,823.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,364.56 : 27,548.88 = 5,881.64 : x
  2. Step 2: Convert to fraction form
    18,364.56/27,548.88 = 5,881.64/x
  3. Step 3: Cross multiply
    18,364.56x = 27,548.88 × 5,881.64
  4. Step 4: Simplify right side
    18,364.56x = 162,032,594.56
  5. Step 5: Solve for x
    x = 162,032,594.56/18,364.56
  6. Step 6: Final answer
    x = 8,823.11

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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.