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Finding the Fourth Proportional to 4,992.32, 7,488.44 and 1,482.33

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Solution

The fourth proportional to 4,992.32, 7,488.44 and 1,482.33 is: 2,223.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.32 : 7,488.44 = 1,482.33 : x
  2. Step 2: Convert to fraction form
    4,992.32/7,488.44 = 1,482.33/x
  3. Step 3: Cross multiply
    4,992.32x = 7,488.44 × 1,482.33
  4. Step 4: Simplify right side
    4,992.32x = 11,100,365.49
  5. Step 5: Solve for x
    x = 11,100,365.49/4,992.32
  6. Step 6: Final answer
    x = 2,223.49

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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.