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Finding the Fourth Proportional to 4,739.35, 7,109.03 and 2,106.24

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Solution

The fourth proportional to 4,739.35, 7,109.03 and 2,106.24 is: 3,159.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.35 : 7,109.03 = 2,106.24 : x
  2. Step 2: Convert to fraction form
    4,739.35/7,109.03 = 2,106.24/x
  3. Step 3: Cross multiply
    4,739.35x = 7,109.03 × 2,106.24
  4. Step 4: Simplify right side
    4,739.35x = 14,973,323.35
  5. Step 5: Solve for x
    x = 14,973,323.35/4,739.35
  6. Step 6: Final answer
    x = 3,159.36

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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.