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Finding the Fourth Proportional to 3,258.81, 4,888.22 and 950.31

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Solution

The fourth proportional to 3,258.81, 4,888.22 and 950.31 is: 1,425.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.81 : 4,888.22 = 950.31 : x
  2. Step 2: Convert to fraction form
    3,258.81/4,888.22 = 950.31/x
  3. Step 3: Cross multiply
    3,258.81x = 4,888.22 × 950.31
  4. Step 4: Simplify right side
    3,258.81x = 4,645,319.60
  5. Step 5: Solve for x
    x = 4,645,319.60/3,258.81
  6. Step 6: Final answer
    x = 1,425.47

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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.