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Finding the Fourth Proportional to 7,363, 11,046.12 and 2,980.72

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Solution

The fourth proportional to 7,363, 11,046.12 and 2,980.72 is: 4,471.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,363 : 11,046.12 = 2,980.72 : x
  2. Step 2: Convert to fraction form
    7,363/11,046.12 = 2,980.72/x
  3. Step 3: Cross multiply
    7,363x = 11,046.12 × 2,980.72
  4. Step 4: Simplify right side
    7,363x = 32,925,390.81
  5. Step 5: Solve for x
    x = 32,925,390.81/7,363
  6. Step 6: Final answer
    x = 4,471.74

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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.