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Finding the Fourth Proportional to 4,995.72, 7,493.58 and 1,297.65

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Solution

The fourth proportional to 4,995.72, 7,493.58 and 1,297.65 is: 1,946.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.72 : 7,493.58 = 1,297.65 : x
  2. Step 2: Convert to fraction form
    4,995.72/7,493.58 = 1,297.65/x
  3. Step 3: Cross multiply
    4,995.72x = 7,493.58 × 1,297.65
  4. Step 4: Simplify right side
    4,995.72x = 9,724,044.09
  5. Step 5: Solve for x
    x = 9,724,044.09/4,995.72
  6. Step 6: Final answer
    x = 1,946.48

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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.