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Finding the Fourth Proportional to 2,527.33, 3,791.00 and 987.25

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Solution

The fourth proportional to 2,527.33, 3,791.00 and 987.25 is: 1,480.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,527.33 : 3,791.00 = 987.25 : x
  2. Step 2: Convert to fraction form
    2,527.33/3,791.00 = 987.25/x
  3. Step 3: Cross multiply
    2,527.33x = 3,791.00 × 987.25
  4. Step 4: Simplify right side
    2,527.33x = 3,742,659.81
  5. Step 5: Solve for x
    x = 3,742,659.81/2,527.33
  6. Step 6: Final answer
    x = 1,480.88

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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.