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Finding the Fourth Proportional to 4,867.09, 7,291.40 and 2,888.54

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Solution

The fourth proportional to 4,867.09, 7,291.40 and 2,888.54 is: 4,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.09 : 7,291.40 = 2,888.54 : x
  2. Step 2: Convert to fraction form
    4,867.09/7,291.40 = 2,888.54/x
  3. Step 3: Cross multiply
    4,867.09x = 7,291.40 × 2,888.54
  4. Step 4: Simplify right side
    4,867.09x = 21,061,489.55
  5. Step 5: Solve for x
    x = 21,061,489.55/4,867.09
  6. Step 6: Final answer
    x = 4,327.33

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1.5x scale

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.