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Finding the Fourth Proportional to 3,585.74, 5,368.88 and 1,850.72

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Solution

The fourth proportional to 3,585.74, 5,368.88 and 1,850.72 is: 2,771.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.74 : 5,368.88 = 1,850.72 : x
  2. Step 2: Convert to fraction form
    3,585.74/5,368.88 = 1,850.72/x
  3. Step 3: Cross multiply
    3,585.74x = 5,368.88 × 1,850.72
  4. Step 4: Simplify right side
    3,585.74x = 9,936,257.50
  5. Step 5: Solve for x
    x = 9,936,257.50/3,585.74
  6. Step 6: Final answer
    x = 2,771.05

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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.