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Finding the Fourth Proportional to 8,749.64, 13,113.12 and 3,552.68

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Solution

The fourth proportional to 8,749.64, 13,113.12 and 3,552.68 is: 5,324.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.64 : 13,113.12 = 3,552.68 : x
  2. Step 2: Convert to fraction form
    8,749.64/13,113.12 = 3,552.68/x
  3. Step 3: Cross multiply
    8,749.64x = 13,113.12 × 3,552.68
  4. Step 4: Simplify right side
    8,749.64x = 46,586,719.16
  5. Step 5: Solve for x
    x = 46,586,719.16/8,749.64
  6. Step 6: Final answer
    x = 5,324.42

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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.