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Finding the Fourth Proportional to 9,110.01, 13,672.31 and 4,728.72

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Solution

The fourth proportional to 9,110.01, 13,672.31 and 4,728.72 is: 7,096.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.01 : 13,672.31 = 4,728.72 : x
  2. Step 2: Convert to fraction form
    9,110.01/13,672.31 = 4,728.72/x
  3. Step 3: Cross multiply
    9,110.01x = 13,672.31 × 4,728.72
  4. Step 4: Simplify right side
    9,110.01x = 64,652,536.60
  5. Step 5: Solve for x
    x = 64,652,536.60/9,110.01
  6. Step 6: Final answer
    x = 7,096.87

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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.