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Finding the Fourth Proportional to 6,599.88, 9,106.02 and 4,080.78

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Solution

The fourth proportional to 6,599.88, 9,106.02 and 4,080.78 is: 5,630.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,599.88 : 9,106.02 = 4,080.78 : x
  2. Step 2: Convert to fraction form
    6,599.88/9,106.02 = 4,080.78/x
  3. Step 3: Cross multiply
    6,599.88x = 9,106.02 × 4,080.78
  4. Step 4: Simplify right side
    6,599.88x = 37,159,664.30
  5. Step 5: Solve for x
    x = 37,159,664.30/6,599.88
  6. Step 6: Final answer
    x = 5,630.35

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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.