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Finding the Fourth Proportional to 1,693.56, 2,525.64 and 1,475.40

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Solution

The fourth proportional to 1,693.56, 2,525.64 and 1,475.40 is: 2,200.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.56 : 2,525.64 = 1,475.40 : x
  2. Step 2: Convert to fraction form
    1,693.56/2,525.64 = 1,475.40/x
  3. Step 3: Cross multiply
    1,693.56x = 2,525.64 × 1,475.40
  4. Step 4: Simplify right side
    1,693.56x = 3,726,329.26
  5. Step 5: Solve for x
    x = 3,726,329.26/1,693.56
  6. Step 6: Final answer
    x = 2,200.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.