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Finding the Fourth Proportional to 15,597.12, 21,523.66 and 8,523.58

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Solution

The fourth proportional to 15,597.12, 21,523.66 and 8,523.58 is: 11,762.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,597.12 : 21,523.66 = 8,523.58 : x
  2. Step 2: Convert to fraction form
    15,597.12/21,523.66 = 8,523.58/x
  3. Step 3: Cross multiply
    15,597.12x = 21,523.66 × 8,523.58
  4. Step 4: Simplify right side
    15,597.12x = 183,458,637.90
  5. Step 5: Solve for x
    x = 183,458,637.90/15,597.12
  6. Step 6: Final answer
    x = 11,762.34

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