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Finding the Fourth Proportional to 2,502.99, 3,454.38 and 1,508.22

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Solution

The fourth proportional to 2,502.99, 3,454.38 and 1,508.22 is: 2,081.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,502.99 : 3,454.38 = 1,508.22 : x
  2. Step 2: Convert to fraction form
    2,502.99/3,454.38 = 1,508.22/x
  3. Step 3: Cross multiply
    2,502.99x = 3,454.38 × 1,508.22
  4. Step 4: Simplify right side
    2,502.99x = 5,209,965.00
  5. Step 5: Solve for x
    x = 5,209,965.00/2,502.99
  6. Step 6: Final answer
    x = 2,081.50

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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.