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Finding the Fourth Proportional to 6,602.34, 9,108.45 and 4,080.08

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Solution

The fourth proportional to 6,602.34, 9,108.45 and 4,080.08 is: 5,628.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.34 : 9,108.45 = 4,080.08 : x
  2. Step 2: Convert to fraction form
    6,602.34/9,108.45 = 4,080.08/x
  3. Step 3: Cross multiply
    6,602.34x = 9,108.45 × 4,080.08
  4. Step 4: Simplify right side
    6,602.34x = 37,163,201.83
  5. Step 5: Solve for x
    x = 37,163,201.83/6,602.34
  6. Step 6: Final answer
    x = 5,628.79

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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.