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Finding the Fourth Proportional to 2,899.76, 4,350.26 and 925.99

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Solution

The fourth proportional to 2,899.76, 4,350.26 and 925.99 is: 1,389.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.76 : 4,350.26 = 925.99 : x
  2. Step 2: Convert to fraction form
    2,899.76/4,350.26 = 925.99/x
  3. Step 3: Cross multiply
    2,899.76x = 4,350.26 × 925.99
  4. Step 4: Simplify right side
    2,899.76x = 4,028,288.70
  5. Step 5: Solve for x
    x = 4,028,288.70/2,899.76
  6. Step 6: Final answer
    x = 1,389.18

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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.