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Finding the Fourth Proportional to 14,608.48, 20,160.48 and 8,322.88

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Solution

The fourth proportional to 14,608.48, 20,160.48 and 8,322.88 is: 11,486.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,608.48 : 20,160.48 = 8,322.88 : x
  2. Step 2: Convert to fraction form
    14,608.48/20,160.48 = 8,322.88/x
  3. Step 3: Cross multiply
    14,608.48x = 20,160.48 × 8,322.88
  4. Step 4: Simplify right side
    14,608.48x = 167,793,255.78
  5. Step 5: Solve for x
    x = 167,793,255.78/14,608.48
  6. Step 6: Final answer
    x = 11,486.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.