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Finding the Fourth Proportional to 15,596.82, 21,523.86 and 8,523.63

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Solution

The fourth proportional to 15,596.82, 21,523.86 and 8,523.63 is: 11,762.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,596.82 : 21,523.86 = 8,523.63 : x
  2. Step 2: Convert to fraction form
    15,596.82/21,523.86 = 8,523.63/x
  3. Step 3: Cross multiply
    15,596.82x = 21,523.86 × 8,523.63
  4. Step 4: Simplify right side
    15,596.82x = 183,461,418.81
  5. Step 5: Solve for x
    x = 183,461,418.81/15,596.82
  6. Step 6: Final answer
    x = 11,762.75

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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.