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Finding the Fourth Proportional to 2,567.49, 3,848.80 and 1,008.49

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Solution

The fourth proportional to 2,567.49, 3,848.80 and 1,008.49 is: 1,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567.49 : 3,848.80 = 1,008.49 : x
  2. Step 2: Convert to fraction form
    2,567.49/3,848.80 = 1,008.49/x
  3. Step 3: Cross multiply
    2,567.49x = 3,848.80 × 1,008.49
  4. Step 4: Simplify right side
    2,567.49x = 3,881,476.31
  5. Step 5: Solve for x
    x = 3,881,476.31/2,567.49
  6. Step 6: Final answer
    x = 1,511.78

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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.