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Finding the Fourth Proportional to 4,646.99, 6,968.90 and 1,872.95

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Solution

The fourth proportional to 4,646.99, 6,968.90 and 1,872.95 is: 2,808.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,646.99 : 6,968.90 = 1,872.95 : x
  2. Step 2: Convert to fraction form
    4,646.99/6,968.90 = 1,872.95/x
  3. Step 3: Cross multiply
    4,646.99x = 6,968.90 × 1,872.95
  4. Step 4: Simplify right side
    4,646.99x = 13,052,371.09
  5. Step 5: Solve for x
    x = 13,052,371.09/4,646.99
  6. Step 6: Final answer
    x = 2,808.78

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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.