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Finding the Fourth Proportional to 1,904.03, 2,856.71 and 794.06

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Solution

The fourth proportional to 1,904.03, 2,856.71 and 794.06 is: 1,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.03 : 2,856.71 = 794.06 : x
  2. Step 2: Convert to fraction form
    1,904.03/2,856.71 = 794.06/x
  3. Step 3: Cross multiply
    1,904.03x = 2,856.71 × 794.06
  4. Step 4: Simplify right side
    1,904.03x = 2,268,399.14
  5. Step 5: Solve for x
    x = 2,268,399.14/1,904.03
  6. Step 6: Final answer
    x = 1,191.37

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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.