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Finding the Fourth Proportional to 14,088.83, 19,443.19 and 7,801.21

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Solution

The fourth proportional to 14,088.83, 19,443.19 and 7,801.21 is: 10,766.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.83 : 19,443.19 = 7,801.21 : x
  2. Step 2: Convert to fraction form
    14,088.83/19,443.19 = 7,801.21/x
  3. Step 3: Cross multiply
    14,088.83x = 19,443.19 × 7,801.21
  4. Step 4: Simplify right side
    14,088.83x = 151,680,311.04
  5. Step 5: Solve for x
    x = 151,680,311.04/14,088.83
  6. Step 6: Final answer
    x = 10,766.00

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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.