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Finding the Fourth Proportional to 9,045.38, 12,481.94 and 5,065.94

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Solution

The fourth proportional to 9,045.38, 12,481.94 and 5,065.94 is: 6,990.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045.38 : 12,481.94 = 5,065.94 : x
  2. Step 2: Convert to fraction form
    9,045.38/12,481.94 = 5,065.94/x
  3. Step 3: Cross multiply
    9,045.38x = 12,481.94 × 5,065.94
  4. Step 4: Simplify right side
    9,045.38x = 63,232,802.99
  5. Step 5: Solve for x
    x = 63,232,802.99/9,045.38
  6. Step 6: Final answer
    x = 6,990.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.