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Finding the Fourth Proportional to 9,494.72, 13,100.48 and 5,513.44

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Solution

The fourth proportional to 9,494.72, 13,100.48 and 5,513.44 is: 7,607.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,494.72 : 13,100.48 = 5,513.44 : x
  2. Step 2: Convert to fraction form
    9,494.72/13,100.48 = 5,513.44/x
  3. Step 3: Cross multiply
    9,494.72x = 13,100.48 × 5,513.44
  4. Step 4: Simplify right side
    9,494.72x = 72,228,710.45
  5. Step 5: Solve for x
    x = 72,228,710.45/9,494.72
  6. Step 6: Final answer
    x = 7,607.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.