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Finding the Fourth Proportional to 13,300.17, 18,354.63 and 7,332.22

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Solution

The fourth proportional to 13,300.17, 18,354.63 and 7,332.22 is: 10,118.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300.17 : 18,354.63 = 7,332.22 : x
  2. Step 2: Convert to fraction form
    13,300.17/18,354.63 = 7,332.22/x
  3. Step 3: Cross multiply
    13,300.17x = 18,354.63 × 7,332.22
  4. Step 4: Simplify right side
    13,300.17x = 134,580,185.18
  5. Step 5: Solve for x
    x = 134,580,185.18/13,300.17
  6. Step 6: Final answer
    x = 10,118.68

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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.