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Finding the Fourth Proportional to 3,464.65, 5,196.98 and 999.48

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Solution

The fourth proportional to 3,464.65, 5,196.98 and 999.48 is: 1,499.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.65 : 5,196.98 = 999.48 : x
  2. Step 2: Convert to fraction form
    3,464.65/5,196.98 = 999.48/x
  3. Step 3: Cross multiply
    3,464.65x = 5,196.98 × 999.48
  4. Step 4: Simplify right side
    3,464.65x = 5,194,277.57
  5. Step 5: Solve for x
    x = 5,194,277.57/3,464.65
  6. Step 6: Final answer
    x = 1,499.22

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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.