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Finding the Fourth Proportional to 10,806.66, 16,190.55 and 10,048.50

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Solution

The fourth proportional to 10,806.66, 16,190.55 and 10,048.50 is: 15,054.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.66 : 16,190.55 = 10,048.50 : x
  2. Step 2: Convert to fraction form
    10,806.66/16,190.55 = 10,048.50/x
  3. Step 3: Cross multiply
    10,806.66x = 16,190.55 × 10,048.50
  4. Step 4: Simplify right side
    10,806.66x = 162,690,741.68
  5. Step 5: Solve for x
    x = 162,690,741.68/10,806.66
  6. Step 6: Final answer
    x = 15,054.67

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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.