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Finding the Fourth Proportional to 13,832.76, 20,746.98 and 5,065.63

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Solution

The fourth proportional to 13,832.76, 20,746.98 and 5,065.63 is: 7,597.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832.76 : 20,746.98 = 5,065.63 : x
  2. Step 2: Convert to fraction form
    13,832.76/20,746.98 = 5,065.63/x
  3. Step 3: Cross multiply
    13,832.76x = 20,746.98 × 5,065.63
  4. Step 4: Simplify right side
    13,832.76x = 105,096,524.30
  5. Step 5: Solve for x
    x = 105,096,524.30/13,832.76
  6. Step 6: Final answer
    x = 7,597.65

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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.