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Finding the Fourth Proportional to 3,043.85, 4,565.08 and 852.80

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Solution

The fourth proportional to 3,043.85, 4,565.08 and 852.80 is: 1,279.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.85 : 4,565.08 = 852.80 : x
  2. Step 2: Convert to fraction form
    3,043.85/4,565.08 = 852.80/x
  3. Step 3: Cross multiply
    3,043.85x = 4,565.08 × 852.80
  4. Step 4: Simplify right side
    3,043.85x = 3,893,109.50
  5. Step 5: Solve for x
    x = 3,893,109.50/3,043.85
  6. Step 6: Final answer
    x = 1,279.01

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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.