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Finding the Fourth Proportional to 15,597.30, 21,524.81 and 8,524.18

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Solution

The fourth proportional to 15,597.30, 21,524.81 and 8,524.18 is: 11,763.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,597.30 : 21,524.81 = 8,524.18 : x
  2. Step 2: Convert to fraction form
    15,597.30/21,524.81 = 8,524.18/x
  3. Step 3: Cross multiply
    15,597.30x = 21,524.81 × 8,524.18
  4. Step 4: Simplify right side
    15,597.30x = 183,481,354.91
  5. Step 5: Solve for x
    x = 183,481,354.91/15,597.30
  6. Step 6: Final answer
    x = 11,763.66

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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.