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Finding the Fourth Proportional to 9,606.72, 14,410.08 and 7,418.64

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Solution

The fourth proportional to 9,606.72, 14,410.08 and 7,418.64 is: 11,127.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,606.72 : 14,410.08 = 7,418.64 : x
  2. Step 2: Convert to fraction form
    9,606.72/14,410.08 = 7,418.64/x
  3. Step 3: Cross multiply
    9,606.72x = 14,410.08 × 7,418.64
  4. Step 4: Simplify right side
    9,606.72x = 106,903,195.89
  5. Step 5: Solve for x
    x = 106,903,195.89/9,606.72
  6. Step 6: Final answer
    x = 11,127.96

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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.