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Finding the Fourth Proportional to 69,402.99, 104,104.14 and 16,812.48

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Solution

The fourth proportional to 69,402.99, 104,104.14 and 16,812.48 is: 25,218.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,402.99 : 104,104.14 = 16,812.48 : x
  2. Step 2: Convert to fraction form
    69,402.99/104,104.14 = 16,812.48/x
  3. Step 3: Cross multiply
    69,402.99x = 104,104.14 × 16,812.48
  4. Step 4: Simplify right side
    69,402.99x = 1,750,248,771.67
  5. Step 5: Solve for x
    x = 1,750,248,771.67/69,402.99
  6. Step 6: Final answer
    x = 25,218.64

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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.