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Finding the Fourth Proportional to 2,600.88, 3,898.99 and 957.03

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Solution

The fourth proportional to 2,600.88, 3,898.99 and 957.03 is: 1,434.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.88 : 3,898.99 = 957.03 : x
  2. Step 2: Convert to fraction form
    2,600.88/3,898.99 = 957.03/x
  3. Step 3: Cross multiply
    2,600.88x = 3,898.99 × 957.03
  4. Step 4: Simplify right side
    2,600.88x = 3,731,450.40
  5. Step 5: Solve for x
    x = 3,731,450.40/2,600.88
  6. Step 6: Final answer
    x = 1,434.69

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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.