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Finding the Fourth Proportional to 3,266.72, 4,901.64 and 2,836.88

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Solution

The fourth proportional to 3,266.72, 4,901.64 and 2,836.88 is: 4,256.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.72 : 4,901.64 = 2,836.88 : x
  2. Step 2: Convert to fraction form
    3,266.72/4,901.64 = 2,836.88/x
  3. Step 3: Cross multiply
    3,266.72x = 4,901.64 × 2,836.88
  4. Step 4: Simplify right side
    3,266.72x = 13,905,364.48
  5. Step 5: Solve for x
    x = 13,905,364.48/3,266.72
  6. Step 6: Final answer
    x = 4,256.67

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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.