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Finding the Fourth Proportional to 29,080.80, 40,135.91 and 17,756.91

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Solution

The fourth proportional to 29,080.80, 40,135.91 and 17,756.91 is: 24,507.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,080.80 : 40,135.91 = 17,756.91 : x
  2. Step 2: Convert to fraction form
    29,080.80/40,135.91 = 17,756.91/x
  3. Step 3: Cross multiply
    29,080.80x = 40,135.91 × 17,756.91
  4. Step 4: Simplify right side
    29,080.80x = 712,689,652.85
  5. Step 5: Solve for x
    x = 712,689,652.85/29,080.80
  6. Step 6: Final answer
    x = 24,507.22

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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.