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Finding the Fourth Proportional to 2,966.79, 4,450.20 and 1,019.01

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Solution

The fourth proportional to 2,966.79, 4,450.20 and 1,019.01 is: 1,528.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.79 : 4,450.20 = 1,019.01 : x
  2. Step 2: Convert to fraction form
    2,966.79/4,450.20 = 1,019.01/x
  3. Step 3: Cross multiply
    2,966.79x = 4,450.20 × 1,019.01
  4. Step 4: Simplify right side
    2,966.79x = 4,534,798.30
  5. Step 5: Solve for x
    x = 4,534,798.30/2,966.79
  6. Step 6: Final answer
    x = 1,528.52

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Similar ratio
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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.