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Finding the Fourth Proportional to 41,205.66, 61,810.90 and 15,905.30

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Solution

The fourth proportional to 41,205.66, 61,810.90 and 15,905.30 is: 23,858.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,205.66 : 61,810.90 = 15,905.30 : x
  2. Step 2: Convert to fraction form
    41,205.66/61,810.90 = 15,905.30/x
  3. Step 3: Cross multiply
    41,205.66x = 61,810.90 × 15,905.30
  4. Step 4: Simplify right side
    41,205.66x = 983,120,907.77
  5. Step 5: Solve for x
    x = 983,120,907.77/41,205.66
  6. Step 6: Final answer
    x = 23,858.88

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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.