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Finding the Fourth Proportional to 9,104.64, 13,646.92 and 3,556.32

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Solution

The fourth proportional to 9,104.64, 13,646.92 and 3,556.32 is: 5,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,104.64 : 13,646.92 = 3,556.32 : x
  2. Step 2: Convert to fraction form
    9,104.64/13,646.92 = 3,556.32/x
  3. Step 3: Cross multiply
    9,104.64x = 13,646.92 × 3,556.32
  4. Step 4: Simplify right side
    9,104.64x = 48,532,814.53
  5. Step 5: Solve for x
    x = 48,532,814.53/9,104.64
  6. Step 6: Final answer
    x = 5,330.56

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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.