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Finding the Fourth Proportional to 29,790.80, 41,108.73 and 17,041.40

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Solution

The fourth proportional to 29,790.80, 41,108.73 and 17,041.40 is: 23,515.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,790.80 : 41,108.73 = 17,041.40 : x
  2. Step 2: Convert to fraction form
    29,790.80/41,108.73 = 17,041.40/x
  3. Step 3: Cross multiply
    29,790.80x = 41,108.73 × 17,041.40
  4. Step 4: Simplify right side
    29,790.80x = 700,550,311.42
  5. Step 5: Solve for x
    x = 700,550,311.42/29,790.80
  6. Step 6: Final answer
    x = 23,515.66

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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.