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Finding the Fourth Proportional to 4,975.99, 7,466.15 and 2,056.21

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Solution

The fourth proportional to 4,975.99, 7,466.15 and 2,056.21 is: 3,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.99 : 7,466.15 = 2,056.21 : x
  2. Step 2: Convert to fraction form
    4,975.99/7,466.15 = 2,056.21/x
  3. Step 3: Cross multiply
    4,975.99x = 7,466.15 × 2,056.21
  4. Step 4: Simplify right side
    4,975.99x = 15,351,972.29
  5. Step 5: Solve for x
    x = 15,351,972.29/4,975.99
  6. Step 6: Final answer
    x = 3,085.21

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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.