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Finding the Fourth Proportional to 15,597.96, 21,525.20 and 8,524.39

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Solution

The fourth proportional to 15,597.96, 21,525.20 and 8,524.39 is: 11,763.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,597.96 : 21,525.20 = 8,524.39 : x
  2. Step 2: Convert to fraction form
    15,597.96/21,525.20 = 8,524.39/x
  3. Step 3: Cross multiply
    15,597.96x = 21,525.20 × 8,524.39
  4. Step 4: Simplify right side
    15,597.96x = 183,489,092.00
  5. Step 5: Solve for x
    x = 183,489,092.00/15,597.96
  6. Step 6: Final answer
    x = 11,763.66

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.