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Finding the Fourth Proportional to 4,804.20, 6,622.02 and 4,739.40

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Solution

The fourth proportional to 4,804.20, 6,622.02 and 4,739.40 is: 6,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,804.20 : 6,622.02 = 4,739.40 : x
  2. Step 2: Convert to fraction form
    4,804.20/6,622.02 = 4,739.40/x
  3. Step 3: Cross multiply
    4,804.20x = 6,622.02 × 4,739.40
  4. Step 4: Simplify right side
    4,804.20x = 31,384,401.59
  5. Step 5: Solve for x
    x = 31,384,401.59/4,804.20
  6. Step 6: Final answer
    x = 6,532.70

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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.