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Finding the Fourth Proportional to 11,220.66, 15,484.41 and 6,184.76

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Solution

The fourth proportional to 11,220.66, 15,484.41 and 6,184.76 is: 8,534.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.66 : 15,484.41 = 6,184.76 : x
  2. Step 2: Convert to fraction form
    11,220.66/15,484.41 = 6,184.76/x
  3. Step 3: Cross multiply
    11,220.66x = 15,484.41 × 6,184.76
  4. Step 4: Simplify right side
    11,220.66x = 95,767,282.17
  5. Step 5: Solve for x
    x = 95,767,282.17/11,220.66
  6. Step 6: Final answer
    x = 8,534.91

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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.