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Finding the Fourth Proportional to 19,304.36, 28,953.80 and 7,463.71

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Solution

The fourth proportional to 19,304.36, 28,953.80 and 7,463.71 is: 11,194.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,304.36 : 28,953.80 = 7,463.71 : x
  2. Step 2: Convert to fraction form
    19,304.36/28,953.80 = 7,463.71/x
  3. Step 3: Cross multiply
    19,304.36x = 28,953.80 × 7,463.71
  4. Step 4: Simplify right side
    19,304.36x = 216,102,793.46
  5. Step 5: Solve for x
    x = 216,102,793.46/19,304.36
  6. Step 6: Final answer
    x = 11,194.51

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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.