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Finding the Fourth Proportional to 2,850.51, 3,934.33 and 1,854.06

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Solution

The fourth proportional to 2,850.51, 3,934.33 and 1,854.06 is: 2,559.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.51 : 3,934.33 = 1,854.06 : x
  2. Step 2: Convert to fraction form
    2,850.51/3,934.33 = 1,854.06/x
  3. Step 3: Cross multiply
    2,850.51x = 3,934.33 × 1,854.06
  4. Step 4: Simplify right side
    2,850.51x = 7,294,483.88
  5. Step 5: Solve for x
    x = 7,294,483.88/2,850.51
  6. Step 6: Final answer
    x = 2,559.01

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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.