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Finding the Fourth Proportional to 9,904.44, 13,676.54 and 7,080.60

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Solution

The fourth proportional to 9,904.44, 13,676.54 and 7,080.60 is: 9,777.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,904.44 : 13,676.54 = 7,080.60 : x
  2. Step 2: Convert to fraction form
    9,904.44/13,676.54 = 7,080.60/x
  3. Step 3: Cross multiply
    9,904.44x = 13,676.54 × 7,080.60
  4. Step 4: Simplify right side
    9,904.44x = 96,838,109.12
  5. Step 5: Solve for x
    x = 96,838,109.12/9,904.44
  6. Step 6: Final answer
    x = 9,777.24

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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.