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Finding the Fourth Proportional to 4,879.02, 7,313.07 and 1,953.91

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Solution

The fourth proportional to 4,879.02, 7,313.07 and 1,953.91 is: 2,928.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.02 : 7,313.07 = 1,953.91 : x
  2. Step 2: Convert to fraction form
    4,879.02/7,313.07 = 1,953.91/x
  3. Step 3: Cross multiply
    4,879.02x = 7,313.07 × 1,953.91
  4. Step 4: Simplify right side
    4,879.02x = 14,289,080.60
  5. Step 5: Solve for x
    x = 14,289,080.60/4,879.02
  6. Step 6: Final answer
    x = 2,928.68

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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.