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Finding the Fourth Proportional to 29,477.53, 40,679.09 and 16,048.90

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Solution

The fourth proportional to 29,477.53, 40,679.09 and 16,048.90 is: 22,147.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,477.53 : 40,679.09 = 16,048.90 : x
  2. Step 2: Convert to fraction form
    29,477.53/40,679.09 = 16,048.90/x
  3. Step 3: Cross multiply
    29,477.53x = 40,679.09 × 16,048.90
  4. Step 4: Simplify right side
    29,477.53x = 652,854,647.50
  5. Step 5: Solve for x
    x = 652,854,647.50/29,477.53
  6. Step 6: Final answer
    x = 22,147.54

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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.