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Finding the Fourth Proportional to 4,295.80, 6,443.70 and 2,567.80

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Solution

The fourth proportional to 4,295.80, 6,443.70 and 2,567.80 is: 3,851.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,295.80 : 6,443.70 = 2,567.80 : x
  2. Step 2: Convert to fraction form
    4,295.80/6,443.70 = 2,567.80/x
  3. Step 3: Cross multiply
    4,295.80x = 6,443.70 × 2,567.80
  4. Step 4: Simplify right side
    4,295.80x = 16,546,132.86
  5. Step 5: Solve for x
    x = 16,546,132.86/4,295.80
  6. Step 6: Final answer
    x = 3,851.70

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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.