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Finding the Fourth Proportional to 2,384.47, 3,577.73 and 998.08

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Solution

The fourth proportional to 2,384.47, 3,577.73 and 998.08 is: 1,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.47 : 3,577.73 = 998.08 : x
  2. Step 2: Convert to fraction form
    2,384.47/3,577.73 = 998.08/x
  3. Step 3: Cross multiply
    2,384.47x = 3,577.73 × 998.08
  4. Step 4: Simplify right side
    2,384.47x = 3,570,860.76
  5. Step 5: Solve for x
    x = 3,570,860.76/2,384.47
  6. Step 6: Final answer
    x = 1,497.55

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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.