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Finding the Fourth Proportional to 14,737.47, 20,339.80 and 8,365.63

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Solution

The fourth proportional to 14,737.47, 20,339.80 and 8,365.63 is: 11,545.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,737.47 : 20,339.80 = 8,365.63 : x
  2. Step 2: Convert to fraction form
    14,737.47/20,339.80 = 8,365.63/x
  3. Step 3: Cross multiply
    14,737.47x = 20,339.80 × 8,365.63
  4. Step 4: Simplify right side
    14,737.47x = 170,155,241.07
  5. Step 5: Solve for x
    x = 170,155,241.07/14,737.47
  6. Step 6: Final answer
    x = 11,545.76

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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.