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Finding the Fourth Proportional to 11,152.65, 16,732.05 and 9,928.62

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Solution

The fourth proportional to 11,152.65, 16,732.05 and 9,928.62 is: 14,895.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.65 : 16,732.05 = 9,928.62 : x
  2. Step 2: Convert to fraction form
    11,152.65/16,732.05 = 9,928.62/x
  3. Step 3: Cross multiply
    11,152.65x = 16,732.05 × 9,928.62
  4. Step 4: Simplify right side
    11,152.65x = 166,126,166.27
  5. Step 5: Solve for x
    x = 166,126,166.27/11,152.65
  6. Step 6: Final answer
    x = 14,895.67

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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.