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Finding the Fourth Proportional to 2,867.34, 4,290.24 and 1,693.02

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Solution

The fourth proportional to 2,867.34, 4,290.24 and 1,693.02 is: 2,533.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.34 : 4,290.24 = 1,693.02 : x
  2. Step 2: Convert to fraction form
    2,867.34/4,290.24 = 1,693.02/x
  3. Step 3: Cross multiply
    2,867.34x = 4,290.24 × 1,693.02
  4. Step 4: Simplify right side
    2,867.34x = 7,263,462.12
  5. Step 5: Solve for x
    x = 7,263,462.12/2,867.34
  6. Step 6: Final answer
    x = 2,533.17

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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.