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Finding the Fourth Proportional to 1,612.74, 2,421.27 and 955.83

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Solution

The fourth proportional to 1,612.74, 2,421.27 and 955.83 is: 1,435.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.74 : 2,421.27 = 955.83 : x
  2. Step 2: Convert to fraction form
    1,612.74/2,421.27 = 955.83/x
  3. Step 3: Cross multiply
    1,612.74x = 2,421.27 × 955.83
  4. Step 4: Simplify right side
    1,612.74x = 2,314,322.50
  5. Step 5: Solve for x
    x = 2,314,322.50/1,612.74
  6. Step 6: Final answer
    x = 1,435.03

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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.