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Finding the Fourth Proportional to 34,605.72, 47,757.06 and 20,267.01

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Solution

The fourth proportional to 34,605.72, 47,757.06 and 20,267.01 is: 27,969.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,605.72 : 47,757.06 = 20,267.01 : x
  2. Step 2: Convert to fraction form
    34,605.72/47,757.06 = 20,267.01/x
  3. Step 3: Cross multiply
    34,605.72x = 47,757.06 × 20,267.01
  4. Step 4: Simplify right side
    34,605.72x = 967,892,812.59
  5. Step 5: Solve for x
    x = 967,892,812.59/34,605.72
  6. Step 6: Final answer
    x = 27,969.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.