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Finding the Fourth Proportional to 5,051.94, 7,581.06 and 1,932.21

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Solution

The fourth proportional to 5,051.94, 7,581.06 and 1,932.21 is: 2,899.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.94 : 7,581.06 = 1,932.21 : x
  2. Step 2: Convert to fraction form
    5,051.94/7,581.06 = 1,932.21/x
  3. Step 3: Cross multiply
    5,051.94x = 7,581.06 × 1,932.21
  4. Step 4: Simplify right side
    5,051.94x = 14,648,199.94
  5. Step 5: Solve for x
    x = 14,648,199.94/5,051.94
  6. Step 6: Final answer
    x = 2,899.52

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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.