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Finding the Fourth Proportional to 8,225.66, 11,352.02 and 4,688.95

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Solution

The fourth proportional to 8,225.66, 11,352.02 and 4,688.95 is: 6,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.66 : 11,352.02 = 4,688.95 : x
  2. Step 2: Convert to fraction form
    8,225.66/11,352.02 = 4,688.95/x
  3. Step 3: Cross multiply
    8,225.66x = 11,352.02 × 4,688.95
  4. Step 4: Simplify right side
    8,225.66x = 53,229,054.18
  5. Step 5: Solve for x
    x = 53,229,054.18/8,225.66
  6. Step 6: Final answer
    x = 6,471.10

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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.