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Finding the Fourth Proportional to 29,261.22, 43,800.84 and 15,900.84

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Solution

The fourth proportional to 29,261.22, 43,800.84 and 15,900.84 is: 23,801.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,261.22 : 43,800.84 = 15,900.84 : x
  2. Step 2: Convert to fraction form
    29,261.22/43,800.84 = 15,900.84/x
  3. Step 3: Cross multiply
    29,261.22x = 43,800.84 × 15,900.84
  4. Step 4: Simplify right side
    29,261.22x = 696,470,148.71
  5. Step 5: Solve for x
    x = 696,470,148.71/29,261.22
  6. Step 6: Final answer
    x = 23,801.82

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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.