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Finding the Fourth Proportional to 21,536.55, 32,304.62 and 7,496.55

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Solution

The fourth proportional to 21,536.55, 32,304.62 and 7,496.55 is: 11,244.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,536.55 : 32,304.62 = 7,496.55 : x
  2. Step 2: Convert to fraction form
    21,536.55/32,304.62 = 7,496.55/x
  3. Step 3: Cross multiply
    21,536.55x = 32,304.62 × 7,496.55
  4. Step 4: Simplify right side
    21,536.55x = 242,173,217.80
  5. Step 5: Solve for x
    x = 242,173,217.80/21,536.55
  6. Step 6: Final answer
    x = 11,244.75

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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.