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Finding the Fourth Proportional to 4,975.02, 7,450.21 and 2,888.69

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Solution

The fourth proportional to 4,975.02, 7,450.21 and 2,888.69 is: 4,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.02 : 7,450.21 = 2,888.69 : x
  2. Step 2: Convert to fraction form
    4,975.02/7,450.21 = 2,888.69/x
  3. Step 3: Cross multiply
    4,975.02x = 7,450.21 × 2,888.69
  4. Step 4: Simplify right side
    4,975.02x = 21,521,354.92
  5. Step 5: Solve for x
    x = 21,521,354.92/4,975.02
  6. Step 6: Final answer
    x = 4,325.88

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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.