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Finding the Fourth Proportional to 6,078.99, 9,118.48 and 4,694.34

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Solution

The fourth proportional to 6,078.99, 9,118.48 and 4,694.34 is: 7,041.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.99 : 9,118.48 = 4,694.34 : x
  2. Step 2: Convert to fraction form
    6,078.99/9,118.48 = 4,694.34/x
  3. Step 3: Cross multiply
    6,078.99x = 9,118.48 × 4,694.34
  4. Step 4: Simplify right side
    6,078.99x = 42,805,245.40
  5. Step 5: Solve for x
    x = 42,805,245.40/6,078.99
  6. Step 6: Final answer
    x = 7,041.51

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Half scale
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Double scale
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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.