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Finding the Fourth Proportional to 13,300.68, 18,356.03 and 7,333

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Solution

The fourth proportional to 13,300.68, 18,356.03 and 7,333 is: 10,120.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300.68 : 18,356.03 = 7,333 : x
  2. Step 2: Convert to fraction form
    13,300.68/18,356.03 = 7,333/x
  3. Step 3: Cross multiply
    13,300.68x = 18,356.03 × 7,333
  4. Step 4: Simplify right side
    13,300.68x = 134,604,767.99
  5. Step 5: Solve for x
    x = 134,604,767.99/13,300.68
  6. Step 6: Final answer
    x = 10,120.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.