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Finding the Fourth Proportional to 2,353.68, 3,513.06 and 2,076.90

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Solution

The fourth proportional to 2,353.68, 3,513.06 and 2,076.90 is: 3,099.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.68 : 3,513.06 = 2,076.90 : x
  2. Step 2: Convert to fraction form
    2,353.68/3,513.06 = 2,076.90/x
  3. Step 3: Cross multiply
    2,353.68x = 3,513.06 × 2,076.90
  4. Step 4: Simplify right side
    2,353.68x = 7,296,274.31
  5. Step 5: Solve for x
    x = 7,296,274.31/2,353.68
  6. Step 6: Final answer
    x = 3,099.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.