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Finding the Fourth Proportional to 1,008.84, 1,519.74 and 996.08

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Solution

The fourth proportional to 1,008.84, 1,519.74 and 996.08 is: 1,500.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008.84 : 1,519.74 = 996.08 : x
  2. Step 2: Convert to fraction form
    1,008.84/1,519.74 = 996.08/x
  3. Step 3: Cross multiply
    1,008.84x = 1,519.74 × 996.08
  4. Step 4: Simplify right side
    1,008.84x = 1,513,782.62
  5. Step 5: Solve for x
    x = 1,513,782.62/1,008.84
  6. Step 6: Final answer
    x = 1,500.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.