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Finding the Fourth Proportional to 6,633.70, 9,152.85 and 4,273

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Solution

The fourth proportional to 6,633.70, 9,152.85 and 4,273 is: 5,895.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,633.70 : 9,152.85 = 4,273 : x
  2. Step 2: Convert to fraction form
    6,633.70/9,152.85 = 4,273/x
  3. Step 3: Cross multiply
    6,633.70x = 9,152.85 × 4,273
  4. Step 4: Simplify right side
    6,633.70x = 39,110,128.05
  5. Step 5: Solve for x
    x = 39,110,128.05/6,633.70
  6. Step 6: Final answer
    x = 5,895.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.