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Finding the Fourth Proportional to 23,004.46, 34,506.69 and 7,420.87

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Solution

The fourth proportional to 23,004.46, 34,506.69 and 7,420.87 is: 11,131.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,004.46 : 34,506.69 = 7,420.87 : x
  2. Step 2: Convert to fraction form
    23,004.46/34,506.69 = 7,420.87/x
  3. Step 3: Cross multiply
    23,004.46x = 34,506.69 × 7,420.87
  4. Step 4: Simplify right side
    23,004.46x = 256,069,660.62
  5. Step 5: Solve for x
    x = 256,069,660.62/23,004.46
  6. Step 6: Final answer
    x = 11,131.31

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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.