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Finding the Fourth Proportional to 29,087.77, 40,138.88 and 16,336.88

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Solution

The fourth proportional to 29,087.77, 40,138.88 and 16,336.88 is: 22,543.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,087.77 : 40,138.88 = 16,336.88 : x
  2. Step 2: Convert to fraction form
    29,087.77/40,138.88 = 16,336.88/x
  3. Step 3: Cross multiply
    29,087.77x = 40,138.88 × 16,336.88
  4. Step 4: Simplify right side
    29,087.77x = 655,744,065.89
  5. Step 5: Solve for x
    x = 655,744,065.89/29,087.77
  6. Step 6: Final answer
    x = 22,543.64

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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.