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Finding the Fourth Proportional to 8,567.70, 12,853.17 and 4,404.30

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Solution

The fourth proportional to 8,567.70, 12,853.17 and 4,404.30 is: 6,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,567.70 : 12,853.17 = 4,404.30 : x
  2. Step 2: Convert to fraction form
    8,567.70/12,853.17 = 4,404.30/x
  3. Step 3: Cross multiply
    8,567.70x = 12,853.17 × 4,404.30
  4. Step 4: Simplify right side
    8,567.70x = 56,609,216.63
  5. Step 5: Solve for x
    x = 56,609,216.63/8,567.70
  6. Step 6: Final answer
    x = 6,607.28

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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.