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Finding the Fourth Proportional to 6,602.79, 9,897.52 and 4,139.34

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Solution

The fourth proportional to 6,602.79, 9,897.52 and 4,139.34 is: 6,204.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.79 : 9,897.52 = 4,139.34 : x
  2. Step 2: Convert to fraction form
    6,602.79/9,897.52 = 4,139.34/x
  3. Step 3: Cross multiply
    6,602.79x = 9,897.52 × 4,139.34
  4. Step 4: Simplify right side
    6,602.79x = 40,969,200.44
  5. Step 5: Solve for x
    x = 40,969,200.44/6,602.79
  6. Step 6: Final answer
    x = 6,204.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.