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Finding the Fourth Proportional to 6,379.58, 9,558.06 and 5,445.77

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Solution

The fourth proportional to 6,379.58, 9,558.06 and 5,445.77 is: 8,159.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.58 : 9,558.06 = 5,445.77 : x
  2. Step 2: Convert to fraction form
    6,379.58/9,558.06 = 5,445.77/x
  3. Step 3: Cross multiply
    6,379.58x = 9,558.06 × 5,445.77
  4. Step 4: Simplify right side
    6,379.58x = 52,050,996.41
  5. Step 5: Solve for x
    x = 52,050,996.41/6,379.58
  6. Step 6: Final answer
    x = 8,159.00

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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.