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Finding the Fourth Proportional to 13,832.76, 20,749.12 and 4,598.76

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Solution

The fourth proportional to 13,832.76, 20,749.12 and 4,598.76 is: 6,898.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832.76 : 20,749.12 = 4,598.76 : x
  2. Step 2: Convert to fraction form
    13,832.76/20,749.12 = 4,598.76/x
  3. Step 3: Cross multiply
    13,832.76x = 20,749.12 × 4,598.76
  4. Step 4: Simplify right side
    13,832.76x = 95,420,223.09
  5. Step 5: Solve for x
    x = 95,420,223.09/13,832.76
  6. Step 6: Final answer
    x = 6,898.13

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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.