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Finding the Fourth Proportional to 8,927.30, 13,377.79 and 4,973.11

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Solution

The fourth proportional to 8,927.30, 13,377.79 and 4,973.11 is: 7,452.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.30 : 13,377.79 = 4,973.11 : x
  2. Step 2: Convert to fraction form
    8,927.30/13,377.79 = 4,973.11/x
  3. Step 3: Cross multiply
    8,927.30x = 13,377.79 × 4,973.11
  4. Step 4: Simplify right side
    8,927.30x = 66,529,221.23
  5. Step 5: Solve for x
    x = 66,529,221.23/8,927.30
  6. Step 6: Final answer
    x = 7,452.33

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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.