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Finding the Fourth Proportional to 5,302.76, 7,948.94 and 2,528.68

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Solution

The fourth proportional to 5,302.76, 7,948.94 and 2,528.68 is: 3,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.76 : 7,948.94 = 2,528.68 : x
  2. Step 2: Convert to fraction form
    5,302.76/7,948.94 = 2,528.68/x
  3. Step 3: Cross multiply
    5,302.76x = 7,948.94 × 2,528.68
  4. Step 4: Simplify right side
    5,302.76x = 20,100,325.60
  5. Step 5: Solve for x
    x = 20,100,325.60/5,302.76
  6. Step 6: Final answer
    x = 3,790.54

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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.