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Finding the Fourth Proportional to 18,347.76, 25,319.34 and 10,793.88

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Solution

The fourth proportional to 18,347.76, 25,319.34 and 10,793.88 is: 14,895.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.76 : 25,319.34 = 10,793.88 : x
  2. Step 2: Convert to fraction form
    18,347.76/25,319.34 = 10,793.88/x
  3. Step 3: Cross multiply
    18,347.76x = 25,319.34 × 10,793.88
  4. Step 4: Simplify right side
    18,347.76x = 273,293,917.64
  5. Step 5: Solve for x
    x = 273,293,917.64/18,347.76
  6. Step 6: Final answer
    x = 14,895.22

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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.