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Finding the Fourth Proportional to 14,472.72, 19,953.81 and 11,483.42

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Solution

The fourth proportional to 14,472.72, 19,953.81 and 11,483.42 is: 15,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,472.72 : 19,953.81 = 11,483.42 : x
  2. Step 2: Convert to fraction form
    14,472.72/19,953.81 = 11,483.42/x
  3. Step 3: Cross multiply
    14,472.72x = 19,953.81 × 11,483.42
  4. Step 4: Simplify right side
    14,472.72x = 229,137,881.06
  5. Step 5: Solve for x
    x = 229,137,881.06/14,472.72
  6. Step 6: Final answer
    x = 15,832.40

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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.