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Finding the Fourth Proportional to 2,970.63, 4,099.01 and 1,711.73

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Solution

The fourth proportional to 2,970.63, 4,099.01 and 1,711.73 is: 2,361.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.63 : 4,099.01 = 1,711.73 : x
  2. Step 2: Convert to fraction form
    2,970.63/4,099.01 = 1,711.73/x
  3. Step 3: Cross multiply
    2,970.63x = 4,099.01 × 1,711.73
  4. Step 4: Simplify right side
    2,970.63x = 7,016,400.08
  5. Step 5: Solve for x
    x = 7,016,400.08/2,970.63
  6. Step 6: Final answer
    x = 2,361.92

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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.