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Finding the Fourth Proportional to 4,748.22, 7,115.04 and 4,019.22

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Solution

The fourth proportional to 4,748.22, 7,115.04 and 4,019.22 is: 6,022.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.22 : 7,115.04 = 4,019.22 : x
  2. Step 2: Convert to fraction form
    4,748.22/7,115.04 = 4,019.22/x
  3. Step 3: Cross multiply
    4,748.22x = 7,115.04 × 4,019.22
  4. Step 4: Simplify right side
    4,748.22x = 28,596,911.07
  5. Step 5: Solve for x
    x = 28,596,911.07/4,748.22
  6. Step 6: Final answer
    x = 6,022.66

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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.