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Finding the Fourth Proportional to 1,928.68, 2,893.01 and 467.83

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Solution

The fourth proportional to 1,928.68, 2,893.01 and 467.83 is: 701.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.68 : 2,893.01 = 467.83 : x
  2. Step 2: Convert to fraction form
    1,928.68/2,893.01 = 467.83/x
  3. Step 3: Cross multiply
    1,928.68x = 2,893.01 × 467.83
  4. Step 4: Simplify right side
    1,928.68x = 1,353,430.81
  5. Step 5: Solve for x
    x = 1,353,430.81/1,928.68
  6. Step 6: Final answer
    x = 701.74

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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.