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Finding the Fourth Proportional to 13,303.94, 18,359.56 and 7,335.82

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Solution

The fourth proportional to 13,303.94, 18,359.56 and 7,335.82 is: 10,123.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.94 : 18,359.56 = 7,335.82 : x
  2. Step 2: Convert to fraction form
    13,303.94/18,359.56 = 7,335.82/x
  3. Step 3: Cross multiply
    13,303.94x = 18,359.56 × 7,335.82
  4. Step 4: Simplify right side
    13,303.94x = 134,682,363.20
  5. Step 5: Solve for x
    x = 134,682,363.20/13,303.94
  6. Step 6: Final answer
    x = 10,123.50

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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.