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Finding the Fourth Proportional to 15,793.60, 23,668.80 and 10,513.60

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Solution

The fourth proportional to 15,793.60, 23,668.80 and 10,513.60 is: 15,756.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,793.60 : 23,668.80 = 10,513.60 : x
  2. Step 2: Convert to fraction form
    15,793.60/23,668.80 = 10,513.60/x
  3. Step 3: Cross multiply
    15,793.60x = 23,668.80 × 10,513.60
  4. Step 4: Simplify right side
    15,793.60x = 248,844,295.68
  5. Step 5: Solve for x
    x = 248,844,295.68/15,793.60
  6. Step 6: Final answer
    x = 15,756.02

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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.