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Finding the Fourth Proportional to 4,927.30, 7,394.79 and 4,409.86

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Solution

The fourth proportional to 4,927.30, 7,394.79 and 4,409.86 is: 6,618.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.30 : 7,394.79 = 4,409.86 : x
  2. Step 2: Convert to fraction form
    4,927.30/7,394.79 = 4,409.86/x
  3. Step 3: Cross multiply
    4,927.30x = 7,394.79 × 4,409.86
  4. Step 4: Simplify right side
    4,927.30x = 32,609,988.63
  5. Step 5: Solve for x
    x = 32,609,988.63/4,927.30
  6. Step 6: Final answer
    x = 6,618.23

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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.