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Finding the Fourth Proportional to 25,794.99, 38,703.42 and 14,094.54

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Solution

The fourth proportional to 25,794.99, 38,703.42 and 14,094.54 is: 21,147.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,794.99 : 38,703.42 = 14,094.54 : x
  2. Step 2: Convert to fraction form
    25,794.99/38,703.42 = 14,094.54/x
  3. Step 3: Cross multiply
    25,794.99x = 38,703.42 × 14,094.54
  4. Step 4: Simplify right side
    25,794.99x = 545,506,901.33
  5. Step 5: Solve for x
    x = 545,506,901.33/25,794.99
  6. Step 6: Final answer
    x = 21,147.78

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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.