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Finding the Fourth Proportional to 13,234.60, 19,880.70 and 9,346.60

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Solution

The fourth proportional to 13,234.60, 19,880.70 and 9,346.60 is: 14,040.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,234.60 : 19,880.70 = 9,346.60 : x
  2. Step 2: Convert to fraction form
    13,234.60/19,880.70 = 9,346.60/x
  3. Step 3: Cross multiply
    13,234.60x = 19,880.70 × 9,346.60
  4. Step 4: Simplify right side
    13,234.60x = 185,816,950.62
  5. Step 5: Solve for x
    x = 185,816,950.62/13,234.60
  6. Step 6: Final answer
    x = 14,040.24

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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.