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Finding the Fourth Proportional to 28,029.80, 41,958.30 and 24,919.40

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Solution

The fourth proportional to 28,029.80, 41,958.30 and 24,919.40 is: 37,302.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029.80 : 41,958.30 = 24,919.40 : x
  2. Step 2: Convert to fraction form
    28,029.80/41,958.30 = 24,919.40/x
  3. Step 3: Cross multiply
    28,029.80x = 41,958.30 × 24,919.40
  4. Step 4: Simplify right side
    28,029.80x = 1,045,575,661.02
  5. Step 5: Solve for x
    x = 1,045,575,661.02/28,029.80
  6. Step 6: Final answer
    x = 37,302.29

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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.