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Finding the Fourth Proportional to 1,836.75, 2,534.72 and 1,008.75

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Solution

The fourth proportional to 1,836.75, 2,534.72 and 1,008.75 is: 1,392.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.75 : 2,534.72 = 1,008.75 : x
  2. Step 2: Convert to fraction form
    1,836.75/2,534.72 = 1,008.75/x
  3. Step 3: Cross multiply
    1,836.75x = 2,534.72 × 1,008.75
  4. Step 4: Simplify right side
    1,836.75x = 2,556,893.76
  5. Step 5: Solve for x
    x = 2,556,893.76/1,836.75
  6. Step 6: Final answer
    x = 1,392.08

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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.