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Finding the Fourth Proportional to 53,169.60, 79,749.90 and 16,233.60

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Solution

The fourth proportional to 53,169.60, 79,749.90 and 16,233.60 is: 24,349.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,169.60 : 79,749.90 = 16,233.60 : x
  2. Step 2: Convert to fraction form
    53,169.60/79,749.90 = 16,233.60/x
  3. Step 3: Cross multiply
    53,169.60x = 79,749.90 × 16,233.60
  4. Step 4: Simplify right side
    53,169.60x = 1,294,627,976.64
  5. Step 5: Solve for x
    x = 1,294,627,976.64/53,169.60
  6. Step 6: Final answer
    x = 24,349.03

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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.