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Finding the Fourth Proportional to 66,029.80, 99,015.90 and 26,573.80

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Solution

The fourth proportional to 66,029.80, 99,015.90 and 26,573.80 is: 39,849.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,029.80 : 99,015.90 = 26,573.80 : x
  2. Step 2: Convert to fraction form
    66,029.80/99,015.90 = 26,573.80/x
  3. Step 3: Cross multiply
    66,029.80x = 99,015.90 × 26,573.80
  4. Step 4: Simplify right side
    66,029.80x = 2,631,228,723.42
  5. Step 5: Solve for x
    x = 2,631,228,723.42/66,029.80
  6. Step 6: Final answer
    x = 39,849.11

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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.