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Finding the Fourth Proportional to 14,814.52, 22,221.74 and 3,870.52

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Solution

The fourth proportional to 14,814.52, 22,221.74 and 3,870.52 is: 5,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,814.52 : 22,221.74 = 3,870.52 : x
  2. Step 2: Convert to fraction form
    14,814.52/22,221.74 = 3,870.52/x
  3. Step 3: Cross multiply
    14,814.52x = 22,221.74 × 3,870.52
  4. Step 4: Simplify right side
    14,814.52x = 86,009,689.10
  5. Step 5: Solve for x
    x = 86,009,689.10/14,814.52
  6. Step 6: Final answer
    x = 5,805.77

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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.