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Finding the Fourth Proportional to 4,516.70, 6,775.50 and 1,230.05

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Solution

The fourth proportional to 4,516.70, 6,775.50 and 1,230.05 is: 1,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,516.70 : 6,775.50 = 1,230.05 : x
  2. Step 2: Convert to fraction form
    4,516.70/6,775.50 = 1,230.05/x
  3. Step 3: Cross multiply
    4,516.70x = 6,775.50 × 1,230.05
  4. Step 4: Simplify right side
    4,516.70x = 8,334,203.78
  5. Step 5: Solve for x
    x = 8,334,203.78/4,516.70
  6. Step 6: Final answer
    x = 1,845.20

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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.