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Finding the Fourth Proportional to 9,160.59, 13,740.89 and 7,334.45

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Solution

The fourth proportional to 9,160.59, 13,740.89 and 7,334.45 is: 11,001.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.59 : 13,740.89 = 7,334.45 : x
  2. Step 2: Convert to fraction form
    9,160.59/13,740.89 = 7,334.45/x
  3. Step 3: Cross multiply
    9,160.59x = 13,740.89 × 7,334.45
  4. Step 4: Simplify right side
    9,160.59x = 100,781,765.28
  5. Step 5: Solve for x
    x = 100,781,765.28/9,160.59
  6. Step 6: Final answer
    x = 11,001.67

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Similar ratio
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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.