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Finding the Fourth Proportional to 1,483.67, 2,221.37 and 1,252.67

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Solution

The fourth proportional to 1,483.67, 2,221.37 and 1,252.67 is: 1,875.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.67 : 2,221.37 = 1,252.67 : x
  2. Step 2: Convert to fraction form
    1,483.67/2,221.37 = 1,252.67/x
  3. Step 3: Cross multiply
    1,483.67x = 2,221.37 × 1,252.67
  4. Step 4: Simplify right side
    1,483.67x = 2,782,637.93
  5. Step 5: Solve for x
    x = 2,782,637.93/1,483.67
  6. Step 6: Final answer
    x = 1,875.51

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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.