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Finding the Fourth Proportional to 13,300.69, 18,355.02 and 7,332.24

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Solution

The fourth proportional to 13,300.69, 18,355.02 and 7,332.24 is: 10,118.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300.69 : 18,355.02 = 7,332.24 : x
  2. Step 2: Convert to fraction form
    13,300.69/18,355.02 = 7,332.24/x
  3. Step 3: Cross multiply
    13,300.69x = 18,355.02 × 7,332.24
  4. Step 4: Simplify right side
    13,300.69x = 134,583,411.84
  5. Step 5: Solve for x
    x = 134,583,411.84/13,300.69
  6. Step 6: Final answer
    x = 10,118.53

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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.