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Finding the Fourth Proportional to 21,644.55, 32,466.92 and 6,853.55

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Solution

The fourth proportional to 21,644.55, 32,466.92 and 6,853.55 is: 10,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,644.55 : 32,466.92 = 6,853.55 : x
  2. Step 2: Convert to fraction form
    21,644.55/32,466.92 = 6,853.55/x
  3. Step 3: Cross multiply
    21,644.55x = 32,466.92 × 6,853.55
  4. Step 4: Simplify right side
    21,644.55x = 222,513,462.96
  5. Step 5: Solve for x
    x = 222,513,462.96/21,644.55
  6. Step 6: Final answer
    x = 10,280.35

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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.