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Finding the Fourth Proportional to 6,599.49, 9,107.45 and 3,615.45

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Solution

The fourth proportional to 6,599.49, 9,107.45 and 3,615.45 is: 4,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,599.49 : 9,107.45 = 3,615.45 : x
  2. Step 2: Convert to fraction form
    6,599.49/9,107.45 = 3,615.45/x
  3. Step 3: Cross multiply
    6,599.49x = 9,107.45 × 3,615.45
  4. Step 4: Simplify right side
    6,599.49x = 32,927,512.03
  5. Step 5: Solve for x
    x = 32,927,512.03/6,599.49
  6. Step 6: Final answer
    x = 4,989.40

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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.