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Finding the Fourth Proportional to 15,626.56, 21,564.63 and 8,552.98

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Solution

The fourth proportional to 15,626.56, 21,564.63 and 8,552.98 is: 11,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,626.56 : 21,564.63 = 8,552.98 : x
  2. Step 2: Convert to fraction form
    15,626.56/21,564.63 = 8,552.98/x
  3. Step 3: Cross multiply
    15,626.56x = 21,564.63 × 8,552.98
  4. Step 4: Simplify right side
    15,626.56x = 184,441,849.10
  5. Step 5: Solve for x
    x = 184,441,849.10/15,626.56
  6. Step 6: Final answer
    x = 11,803.10

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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.