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Finding the Fourth Proportional to 7,907.01, 11,852.42 and 2,973.21

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Solution

The fourth proportional to 7,907.01, 11,852.42 and 2,973.21 is: 4,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907.01 : 11,852.42 = 2,973.21 : x
  2. Step 2: Convert to fraction form
    7,907.01/11,852.42 = 2,973.21/x
  3. Step 3: Cross multiply
    7,907.01x = 11,852.42 × 2,973.21
  4. Step 4: Simplify right side
    7,907.01x = 35,239,718.80
  5. Step 5: Solve for x
    x = 35,239,718.80/7,907.01
  6. Step 6: Final answer
    x = 4,456.77

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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.