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Finding the Fourth Proportional to 19,504.64, 29,256.96 and 5,653.64

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Solution

The fourth proportional to 19,504.64, 29,256.96 and 5,653.64 is: 8,480.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,504.64 : 29,256.96 = 5,653.64 : x
  2. Step 2: Convert to fraction form
    19,504.64/29,256.96 = 5,653.64/x
  3. Step 3: Cross multiply
    19,504.64x = 29,256.96 × 5,653.64
  4. Step 4: Simplify right side
    19,504.64x = 165,408,319.33
  5. Step 5: Solve for x
    x = 165,408,319.33/19,504.64
  6. Step 6: Final answer
    x = 8,480.46

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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.