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Finding the Fourth Proportional to 9,379.53, 14,062.14 and 5,680.77

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Solution

The fourth proportional to 9,379.53, 14,062.14 and 5,680.77 is: 8,516.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,379.53 : 14,062.14 = 5,680.77 : x
  2. Step 2: Convert to fraction form
    9,379.53/14,062.14 = 5,680.77/x
  3. Step 3: Cross multiply
    9,379.53x = 14,062.14 × 5,680.77
  4. Step 4: Simplify right side
    9,379.53x = 79,883,730.31
  5. Step 5: Solve for x
    x = 79,883,730.31/9,379.53
  6. Step 6: Final answer
    x = 8,516.82

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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.