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Finding the Fourth Proportional to 6,599.81, 9,107.64 and 3,615.64

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Solution

The fourth proportional to 6,599.81, 9,107.64 and 3,615.64 is: 4,989.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,599.81 : 9,107.64 = 3,615.64 : x
  2. Step 2: Convert to fraction form
    6,599.81/9,107.64 = 3,615.64/x
  3. Step 3: Cross multiply
    6,599.81x = 9,107.64 × 3,615.64
  4. Step 4: Simplify right side
    6,599.81x = 32,929,924.72
  5. Step 5: Solve for x
    x = 32,929,924.72/6,599.81
  6. Step 6: Final answer
    x = 4,989.52

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1.5x scale

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.