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Finding the Fourth Proportional to 9,873.44, 13,612.08 and 9,567.68

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Solution

The fourth proportional to 9,873.44, 13,612.08 and 9,567.68 is: 13,190.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,873.44 : 13,612.08 = 9,567.68 : x
  2. Step 2: Convert to fraction form
    9,873.44/13,612.08 = 9,567.68/x
  3. Step 3: Cross multiply
    9,873.44x = 13,612.08 × 9,567.68
  4. Step 4: Simplify right side
    9,873.44x = 130,236,025.57
  5. Step 5: Solve for x
    x = 130,236,025.57/9,873.44
  6. Step 6: Final answer
    x = 13,190.54

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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.