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Finding the Fourth Proportional to 30,069.69, 41,468.76 and 25,819.42

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Solution

The fourth proportional to 30,069.69, 41,468.76 and 25,819.42 is: 35,607.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,069.69 : 41,468.76 = 25,819.42 : x
  2. Step 2: Convert to fraction form
    30,069.69/41,468.76 = 25,819.42/x
  3. Step 3: Cross multiply
    30,069.69x = 41,468.76 × 25,819.42
  4. Step 4: Simplify right side
    30,069.69x = 1,070,699,331.32
  5. Step 5: Solve for x
    x = 1,070,699,331.32/30,069.69
  6. Step 6: Final answer
    x = 35,607.26

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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.