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Finding the Fourth Proportional to 1,933.90, 2,901.06 and 701.68

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Solution

The fourth proportional to 1,933.90, 2,901.06 and 701.68 is: 1,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.90 : 2,901.06 = 701.68 : x
  2. Step 2: Convert to fraction form
    1,933.90/2,901.06 = 701.68/x
  3. Step 3: Cross multiply
    1,933.90x = 2,901.06 × 701.68
  4. Step 4: Simplify right side
    1,933.90x = 2,035,615.78
  5. Step 5: Solve for x
    x = 2,035,615.78/1,933.90
  6. Step 6: Final answer
    x = 1,052.60

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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.