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Finding the Fourth Proportional to 10,880.70, 16,321.05 and 10,880.70

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Solution

The fourth proportional to 10,880.70, 16,321.05 and 10,880.70 is: 16,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.70 : 16,321.05 = 10,880.70 : x
  2. Step 2: Convert to fraction form
    10,880.70/16,321.05 = 10,880.70/x
  3. Step 3: Cross multiply
    10,880.70x = 16,321.05 × 10,880.70
  4. Step 4: Simplify right side
    10,880.70x = 177,584,448.74
  5. Step 5: Solve for x
    x = 177,584,448.74/10,880.70
  6. Step 6: Final answer
    x = 16,321.05

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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.