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Finding the Fourth Proportional to 15,596.91, 21,522.98 and 8,523.33

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Solution

The fourth proportional to 15,596.91, 21,522.98 and 8,523.33 is: 11,761.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,596.91 : 21,522.98 = 8,523.33 : x
  2. Step 2: Convert to fraction form
    15,596.91/21,522.98 = 8,523.33/x
  3. Step 3: Cross multiply
    15,596.91x = 21,522.98 × 8,523.33
  4. Step 4: Simplify right side
    15,596.91x = 183,447,418.51
  5. Step 5: Solve for x
    x = 183,447,418.51/15,596.91
  6. Step 6: Final answer
    x = 11,761.78

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Half scale
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Double scale
Find fourth proportional to 15,597.91, 21,524.35 and 8,524.33
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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.