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Finding the Fourth Proportional to 6,602.57, 9,903.90 and 1,672.22

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Solution

The fourth proportional to 6,602.57, 9,903.90 and 1,672.22 is: 2,508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.57 : 9,903.90 = 1,672.22 : x
  2. Step 2: Convert to fraction form
    6,602.57/9,903.90 = 1,672.22/x
  3. Step 3: Cross multiply
    6,602.57x = 9,903.90 × 1,672.22
  4. Step 4: Simplify right side
    6,602.57x = 16,561,524.42
  5. Step 5: Solve for x
    x = 16,561,524.42/6,602.57
  6. Step 6: Final answer
    x = 2,508.35

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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.