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Finding the Fourth Proportional to 9,004.01, 13,506.11 and 8,991.05

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Solution

The fourth proportional to 9,004.01, 13,506.11 and 8,991.05 is: 13,486.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,004.01 : 13,506.11 = 8,991.05 : x
  2. Step 2: Convert to fraction form
    9,004.01/13,506.11 = 8,991.05/x
  3. Step 3: Cross multiply
    9,004.01x = 13,506.11 × 8,991.05
  4. Step 4: Simplify right side
    9,004.01x = 121,434,110.32
  5. Step 5: Solve for x
    x = 121,434,110.32/9,004.01
  6. Step 6: Final answer
    x = 13,486.67

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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.