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Finding the Fourth Proportional to 4,953.98, 7,430.97 and 1,667.09

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Solution

The fourth proportional to 4,953.98, 7,430.97 and 1,667.09 is: 2,500.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,953.98 : 7,430.97 = 1,667.09 : x
  2. Step 2: Convert to fraction form
    4,953.98/7,430.97 = 1,667.09/x
  3. Step 3: Cross multiply
    4,953.98x = 7,430.97 × 1,667.09
  4. Step 4: Simplify right side
    4,953.98x = 12,388,095.78
  5. Step 5: Solve for x
    x = 12,388,095.78/4,953.98
  6. Step 6: Final answer
    x = 2,500.64

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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.