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Finding the Fourth Proportional to 1,894.68, 2,822.07 and 1,774.68

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Solution

The fourth proportional to 1,894.68, 2,822.07 and 1,774.68 is: 2,643.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.68 : 2,822.07 = 1,774.68 : x
  2. Step 2: Convert to fraction form
    1,894.68/2,822.07 = 1,774.68/x
  3. Step 3: Cross multiply
    1,894.68x = 2,822.07 × 1,774.68
  4. Step 4: Simplify right side
    1,894.68x = 5,008,271.19
  5. Step 5: Solve for x
    x = 5,008,271.19/1,894.68
  6. Step 6: Final answer
    x = 2,643.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.