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Finding the Fourth Proportional to 25,469.01, 35,151.45 and 14,142.15

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Solution

The fourth proportional to 25,469.01, 35,151.45 and 14,142.15 is: 19,518.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,469.01 : 35,151.45 = 14,142.15 : x
  2. Step 2: Convert to fraction form
    25,469.01/35,151.45 = 14,142.15/x
  3. Step 3: Cross multiply
    25,469.01x = 35,151.45 × 14,142.15
  4. Step 4: Simplify right side
    25,469.01x = 497,117,078.62
  5. Step 5: Solve for x
    x = 497,117,078.62/25,469.01
  6. Step 6: Final answer
    x = 19,518.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.