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Finding the Fourth Proportional to 9,382.42, 14,089.73 and 8,330.61

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Solution

The fourth proportional to 9,382.42, 14,089.73 and 8,330.61 is: 12,510.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,382.42 : 14,089.73 = 8,330.61 : x
  2. Step 2: Convert to fraction form
    9,382.42/14,089.73 = 8,330.61/x
  3. Step 3: Cross multiply
    9,382.42x = 14,089.73 × 8,330.61
  4. Step 4: Simplify right side
    9,382.42x = 117,376,138.82
  5. Step 5: Solve for x
    x = 117,376,138.82/9,382.42
  6. Step 6: Final answer
    x = 12,510.21

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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.