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Finding the Fourth Proportional to 1,574.79, 2,173.83 and 1,050.63

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Solution

The fourth proportional to 1,574.79, 2,173.83 and 1,050.63 is: 1,450.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.79 : 2,173.83 = 1,050.63 : x
  2. Step 2: Convert to fraction form
    1,574.79/2,173.83 = 1,050.63/x
  3. Step 3: Cross multiply
    1,574.79x = 2,173.83 × 1,050.63
  4. Step 4: Simplify right side
    1,574.79x = 2,283,891.01
  5. Step 5: Solve for x
    x = 2,283,891.01/1,574.79
  6. Step 6: Final answer
    x = 1,450.28

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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.