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Finding the Fourth Proportional to 15,627.77, 21,565.49 and 8,552.82

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Solution

The fourth proportional to 15,627.77, 21,565.49 and 8,552.82 is: 11,802.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627.77 : 21,565.49 = 8,552.82 : x
  2. Step 2: Convert to fraction form
    15,627.77/21,565.49 = 8,552.82/x
  3. Step 3: Cross multiply
    15,627.77x = 21,565.49 × 8,552.82
  4. Step 4: Simplify right side
    15,627.77x = 184,445,711.42
  5. Step 5: Solve for x
    x = 184,445,711.42/15,627.77
  6. Step 6: Final answer
    x = 11,802.44

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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.