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Finding the Fourth Proportional to 5,755.96, 8,617.08 and 4,374.80

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Solution

The fourth proportional to 5,755.96, 8,617.08 and 4,374.80 is: 6,549.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,755.96 : 8,617.08 = 4,374.80 : x
  2. Step 2: Convert to fraction form
    5,755.96/8,617.08 = 4,374.80/x
  3. Step 3: Cross multiply
    5,755.96x = 8,617.08 × 4,374.80
  4. Step 4: Simplify right side
    5,755.96x = 37,698,001.58
  5. Step 5: Solve for x
    x = 37,698,001.58/5,755.96
  6. Step 6: Final answer
    x = 6,549.39

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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.