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Finding the Fourth Proportional to 4,880.53, 7,303.77 and 3,992.77

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Solution

The fourth proportional to 4,880.53, 7,303.77 and 3,992.77 is: 5,975.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.53 : 7,303.77 = 3,992.77 : x
  2. Step 2: Convert to fraction form
    4,880.53/7,303.77 = 3,992.77/x
  3. Step 3: Cross multiply
    4,880.53x = 7,303.77 × 3,992.77
  4. Step 4: Simplify right side
    4,880.53x = 29,162,273.74
  5. Step 5: Solve for x
    x = 29,162,273.74/4,880.53
  6. Step 6: Final answer
    x = 5,975.23

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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.