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Finding the Fourth Proportional to 2,950.99, 4,412.80 and 2,398.77

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Solution

The fourth proportional to 2,950.99, 4,412.80 and 2,398.77 is: 3,587.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.99 : 4,412.80 = 2,398.77 : x
  2. Step 2: Convert to fraction form
    2,950.99/4,412.80 = 2,398.77/x
  3. Step 3: Cross multiply
    2,950.99x = 4,412.80 × 2,398.77
  4. Step 4: Simplify right side
    2,950.99x = 10,585,292.26
  5. Step 5: Solve for x
    x = 10,585,292.26/2,950.99
  6. Step 6: Final answer
    x = 3,587.03

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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.