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Finding the Fourth Proportional to 1,893.68, 2,820.58 and 1,773.68

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Solution

The fourth proportional to 1,893.68, 2,820.58 and 1,773.68 is: 2,641.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.68 : 2,820.58 = 1,773.68 : x
  2. Step 2: Convert to fraction form
    1,893.68/2,820.58 = 1,773.68/x
  3. Step 3: Cross multiply
    1,893.68x = 2,820.58 × 1,773.68
  4. Step 4: Simplify right side
    1,893.68x = 5,002,806.33
  5. Step 5: Solve for x
    x = 5,002,806.33/1,893.68
  6. Step 6: Final answer
    x = 2,641.84

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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.