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Finding the Fourth Proportional to 15,366.60, 23,025.60 and 13,276.80

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Solution

The fourth proportional to 15,366.60, 23,025.60 and 13,276.80 is: 19,894.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366.60 : 23,025.60 = 13,276.80 : x
  2. Step 2: Convert to fraction form
    15,366.60/23,025.60 = 13,276.80/x
  3. Step 3: Cross multiply
    15,366.60x = 23,025.60 × 13,276.80
  4. Step 4: Simplify right side
    15,366.60x = 305,706,286.08
  5. Step 5: Solve for x
    x = 305,706,286.08/15,366.60
  6. Step 6: Final answer
    x = 19,894.20

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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.