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Finding the Fourth Proportional to 14,612.30, 21,907.65 and 8,045.90

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Solution

The fourth proportional to 14,612.30, 21,907.65 and 8,045.90 is: 12,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.30 : 21,907.65 = 8,045.90 : x
  2. Step 2: Convert to fraction form
    14,612.30/21,907.65 = 8,045.90/x
  3. Step 3: Cross multiply
    14,612.30x = 21,907.65 × 8,045.90
  4. Step 4: Simplify right side
    14,612.30x = 176,266,761.14
  5. Step 5: Solve for x
    x = 176,266,761.14/14,612.30
  6. Step 6: Final answer
    x = 12,062.90

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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.