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Finding the Fourth Proportional to 4,889.97, 7,296.89 and 4,700.43

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Solution

The fourth proportional to 4,889.97, 7,296.89 and 4,700.43 is: 7,014.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.97 : 7,296.89 = 4,700.43 : x
  2. Step 2: Convert to fraction form
    4,889.97/7,296.89 = 4,700.43/x
  3. Step 3: Cross multiply
    4,889.97x = 7,296.89 × 4,700.43
  4. Step 4: Simplify right side
    4,889.97x = 34,298,497.16
  5. Step 5: Solve for x
    x = 34,298,497.16/4,889.97
  6. Step 6: Final answer
    x = 7,014.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.