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Finding the Fourth Proportional to 53,395.99, 80,093.98 and 13,953.14

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Solution

The fourth proportional to 53,395.99, 80,093.98 and 13,953.14 is: 20,929.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,395.99 : 80,093.98 = 13,953.14 : x
  2. Step 2: Convert to fraction form
    53,395.99/80,093.98 = 13,953.14/x
  3. Step 3: Cross multiply
    53,395.99x = 80,093.98 × 13,953.14
  4. Step 4: Simplify right side
    53,395.99x = 1,117,562,516.10
  5. Step 5: Solve for x
    x = 1,117,562,516.10/53,395.99
  6. Step 6: Final answer
    x = 20,929.71

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Similar ratio
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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.