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Finding the Fourth Proportional to 4,917.01, 6,820.24 and 4,739.70

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Solution

The fourth proportional to 4,917.01, 6,820.24 and 4,739.70 is: 6,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.01 : 6,820.24 = 4,739.70 : x
  2. Step 2: Convert to fraction form
    4,917.01/6,820.24 = 4,739.70/x
  3. Step 3: Cross multiply
    4,917.01x = 6,820.24 × 4,739.70
  4. Step 4: Simplify right side
    4,917.01x = 32,325,889.11
  5. Step 5: Solve for x
    x = 32,325,889.11/4,917.01
  6. Step 6: Final answer
    x = 6,574.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.