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Finding the Fourth Proportional to 6,634.78, 9,156.02 and 3,650.74

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Solution

The fourth proportional to 6,634.78, 9,156.02 and 3,650.74 is: 5,038.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,634.78 : 9,156.02 = 3,650.74 : x
  2. Step 2: Convert to fraction form
    6,634.78/9,156.02 = 3,650.74/x
  3. Step 3: Cross multiply
    6,634.78x = 9,156.02 × 3,650.74
  4. Step 4: Simplify right side
    6,634.78x = 33,426,207.31
  5. Step 5: Solve for x
    x = 33,426,207.31/6,634.78
  6. Step 6: Final answer
    x = 5,038.03

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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.