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Finding the Fourth Proportional to 4,710.99, 7,067.21 and 1,547.44

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Solution

The fourth proportional to 4,710.99, 7,067.21 and 1,547.44 is: 2,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,710.99 : 7,067.21 = 1,547.44 : x
  2. Step 2: Convert to fraction form
    4,710.99/7,067.21 = 1,547.44/x
  3. Step 3: Cross multiply
    4,710.99x = 7,067.21 × 1,547.44
  4. Step 4: Simplify right side
    4,710.99x = 10,936,065.77
  5. Step 5: Solve for x
    x = 10,936,065.77/4,710.99
  6. Step 6: Final answer
    x = 2,321.39

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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.