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Finding the Fourth Proportional to 8,889.34, 13,305.07 and 6,548.42

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Solution

The fourth proportional to 8,889.34, 13,305.07 and 6,548.42 is: 9,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.34 : 13,305.07 = 6,548.42 : x
  2. Step 2: Convert to fraction form
    8,889.34/13,305.07 = 6,548.42/x
  3. Step 3: Cross multiply
    8,889.34x = 13,305.07 × 6,548.42
  4. Step 4: Simplify right side
    8,889.34x = 87,127,203.38
  5. Step 5: Solve for x
    x = 87,127,203.38/8,889.34
  6. Step 6: Final answer
    x = 9,801.32

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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.