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Finding the Fourth Proportional to 4,983.99, 7,477.68 and 3,132.94

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Solution

The fourth proportional to 4,983.99, 7,477.68 and 3,132.94 is: 4,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.99 : 7,477.68 = 3,132.94 : x
  2. Step 2: Convert to fraction form
    4,983.99/7,477.68 = 3,132.94/x
  3. Step 3: Cross multiply
    4,983.99x = 7,477.68 × 3,132.94
  4. Step 4: Simplify right side
    4,983.99x = 23,427,104.09
  5. Step 5: Solve for x
    x = 23,427,104.09/4,983.99
  6. Step 6: Final answer
    x = 4,700.47

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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.