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Finding the Fourth Proportional to 1,352.60, 2,029 and 475.01

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Solution

The fourth proportional to 1,352.60, 2,029 and 475.01 is: 712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352.60 : 2,029 = 475.01 : x
  2. Step 2: Convert to fraction form
    1,352.60/2,029 = 475.01/x
  3. Step 3: Cross multiply
    1,352.60x = 2,029 × 475.01
  4. Step 4: Simplify right side
    1,352.60x = 963,795.29
  5. Step 5: Solve for x
    x = 963,795.29/1,352.60
  6. Step 6: Final answer
    x = 712.55

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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.