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Finding the Fourth Proportional to 14,473.94, 19,970.80 and 8,811.62

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Solution

The fourth proportional to 14,473.94, 19,970.80 and 8,811.62 is: 12,158.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,473.94 : 19,970.80 = 8,811.62 : x
  2. Step 2: Convert to fraction form
    14,473.94/19,970.80 = 8,811.62/x
  3. Step 3: Cross multiply
    14,473.94x = 19,970.80 × 8,811.62
  4. Step 4: Simplify right side
    14,473.94x = 175,975,100.70
  5. Step 5: Solve for x
    x = 175,975,100.70/14,473.94
  6. Step 6: Final answer
    x = 12,158.06

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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.