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Finding the Fourth Proportional to 7,368, 11,046.70 and 4,399.38

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Solution

The fourth proportional to 7,368, 11,046.70 and 4,399.38 is: 6,595.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368 : 11,046.70 = 4,399.38 : x
  2. Step 2: Convert to fraction form
    7,368/11,046.70 = 4,399.38/x
  3. Step 3: Cross multiply
    7,368x = 11,046.70 × 4,399.38
  4. Step 4: Simplify right side
    7,368x = 48,598,631.05
  5. Step 5: Solve for x
    x = 48,598,631.05/7,368
  6. Step 6: Final answer
    x = 6,595.91

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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.