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Finding the Fourth Proportional to 3,176.37, 4,764.54 and 804.45

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Solution

The fourth proportional to 3,176.37, 4,764.54 and 804.45 is: 1,206.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.37 : 4,764.54 = 804.45 : x
  2. Step 2: Convert to fraction form
    3,176.37/4,764.54 = 804.45/x
  3. Step 3: Cross multiply
    3,176.37x = 4,764.54 × 804.45
  4. Step 4: Simplify right side
    3,176.37x = 3,832,834.20
  5. Step 5: Solve for x
    x = 3,832,834.20/3,176.37
  6. Step 6: Final answer
    x = 1,206.67

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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.