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Finding the Fourth Proportional to 21,596.88, 32,396.08 and 7,554.08

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Solution

The fourth proportional to 21,596.88, 32,396.08 and 7,554.08 is: 11,331.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,596.88 : 32,396.08 = 7,554.08 : x
  2. Step 2: Convert to fraction form
    21,596.88/32,396.08 = 7,554.08/x
  3. Step 3: Cross multiply
    21,596.88x = 32,396.08 × 7,554.08
  4. Step 4: Simplify right side
    21,596.88x = 244,722,580.01
  5. Step 5: Solve for x
    x = 244,722,580.01/21,596.88
  6. Step 6: Final answer
    x = 11,331.39

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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.