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Finding the Fourth Proportional to 14,903.88, 20,565.94 and 8,934.44

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Solution

The fourth proportional to 14,903.88, 20,565.94 and 8,934.44 is: 12,328.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,903.88 : 20,565.94 = 8,934.44 : x
  2. Step 2: Convert to fraction form
    14,903.88/20,565.94 = 8,934.44/x
  3. Step 3: Cross multiply
    14,903.88x = 20,565.94 × 8,934.44
  4. Step 4: Simplify right side
    14,903.88x = 183,745,156.97
  5. Step 5: Solve for x
    x = 183,745,156.97/14,903.88
  6. Step 6: Final answer
    x = 12,328.68

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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.