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Finding the Fourth Proportional to 13,068.95, 19,607.67 and 8,902.71

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Solution

The fourth proportional to 13,068.95, 19,607.67 and 8,902.71 is: 13,356.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.95 : 19,607.67 = 8,902.71 : x
  2. Step 2: Convert to fraction form
    13,068.95/19,607.67 = 8,902.71/x
  3. Step 3: Cross multiply
    13,068.95x = 19,607.67 × 8,902.71
  4. Step 4: Simplify right side
    13,068.95x = 174,561,399.79
  5. Step 5: Solve for x
    x = 174,561,399.79/13,068.95
  6. Step 6: Final answer
    x = 13,356.96

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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.