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Finding the Fourth Proportional to 4,641.99, 6,406.28 and 2,874.62

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Solution

The fourth proportional to 4,641.99, 6,406.28 and 2,874.62 is: 3,967.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,641.99 : 6,406.28 = 2,874.62 : x
  2. Step 2: Convert to fraction form
    4,641.99/6,406.28 = 2,874.62/x
  3. Step 3: Cross multiply
    4,641.99x = 6,406.28 × 2,874.62
  4. Step 4: Simplify right side
    4,641.99x = 18,415,574.21
  5. Step 5: Solve for x
    x = 18,415,574.21/4,641.99
  6. Step 6: Final answer
    x = 3,967.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.