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Finding the Fourth Proportional to 4,923.99, 7,387.47 and 2,843.51

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Solution

The fourth proportional to 4,923.99, 7,387.47 and 2,843.51 is: 4,266.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.99 : 7,387.47 = 2,843.51 : x
  2. Step 2: Convert to fraction form
    4,923.99/7,387.47 = 2,843.51/x
  3. Step 3: Cross multiply
    4,923.99x = 7,387.47 × 2,843.51
  4. Step 4: Simplify right side
    4,923.99x = 21,006,307.88
  5. Step 5: Solve for x
    x = 21,006,307.88/4,923.99
  6. Step 6: Final answer
    x = 4,266.12

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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.