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Finding the Fourth Proportional to 3,264.50, 4,505.63 and 1,938.93

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Solution

The fourth proportional to 3,264.50, 4,505.63 and 1,938.93 is: 2,676.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.50 : 4,505.63 = 1,938.93 : x
  2. Step 2: Convert to fraction form
    3,264.50/4,505.63 = 1,938.93/x
  3. Step 3: Cross multiply
    3,264.50x = 4,505.63 × 1,938.93
  4. Step 4: Simplify right side
    3,264.50x = 8,736,091.48
  5. Step 5: Solve for x
    x = 8,736,091.48/3,264.50
  6. Step 6: Final answer
    x = 2,676.09

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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.