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Finding the Fourth Proportional to 2,670.01, 4,013.97 and 2,153.63

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Solution

The fourth proportional to 2,670.01, 4,013.97 and 2,153.63 is: 3,237.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.01 : 4,013.97 = 2,153.63 : x
  2. Step 2: Convert to fraction form
    2,670.01/4,013.97 = 2,153.63/x
  3. Step 3: Cross multiply
    2,670.01x = 4,013.97 × 2,153.63
  4. Step 4: Simplify right side
    2,670.01x = 8,644,616.25
  5. Step 5: Solve for x
    x = 8,644,616.25/2,670.01
  6. Step 6: Final answer
    x = 3,237.67

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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.