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Finding the Fourth Proportional to 8,900.95, 13,350.95 and 4,518.30

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Solution

The fourth proportional to 8,900.95, 13,350.95 and 4,518.30 is: 6,777.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.95 : 13,350.95 = 4,518.30 : x
  2. Step 2: Convert to fraction form
    8,900.95/13,350.95 = 4,518.30/x
  3. Step 3: Cross multiply
    8,900.95x = 13,350.95 × 4,518.30
  4. Step 4: Simplify right side
    8,900.95x = 60,323,597.39
  5. Step 5: Solve for x
    x = 60,323,597.39/8,900.95
  6. Step 6: Final answer
    x = 6,777.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.