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Finding the Fourth Proportional to 3,036.84, 4,555.27 and 845.58

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Solution

The fourth proportional to 3,036.84, 4,555.27 and 845.58 is: 1,268.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.84 : 4,555.27 = 845.58 : x
  2. Step 2: Convert to fraction form
    3,036.84/4,555.27 = 845.58/x
  3. Step 3: Cross multiply
    3,036.84x = 4,555.27 × 845.58
  4. Step 4: Simplify right side
    3,036.84x = 3,851,863.35
  5. Step 5: Solve for x
    x = 3,851,863.35/3,036.84
  6. Step 6: Final answer
    x = 1,268.38

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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.