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Finding the Fourth Proportional to 5,771.36, 8,671.68 and 5,610.72

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Solution

The fourth proportional to 5,771.36, 8,671.68 and 5,610.72 is: 8,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.36 : 8,671.68 = 5,610.72 : x
  2. Step 2: Convert to fraction form
    5,771.36/8,671.68 = 5,610.72/x
  3. Step 3: Cross multiply
    5,771.36x = 8,671.68 × 5,610.72
  4. Step 4: Simplify right side
    5,771.36x = 48,654,368.41
  5. Step 5: Solve for x
    x = 48,654,368.41/5,771.36
  6. Step 6: Final answer
    x = 8,430.31

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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.