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Finding the Fourth Proportional to 10,644.30, 15,973.06 and 4,071.14

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Solution

The fourth proportional to 10,644.30, 15,973.06 and 4,071.14 is: 6,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.30 : 15,973.06 = 4,071.14 : x
  2. Step 2: Convert to fraction form
    10,644.30/15,973.06 = 4,071.14/x
  3. Step 3: Cross multiply
    10,644.30x = 15,973.06 × 4,071.14
  4. Step 4: Simplify right side
    10,644.30x = 65,028,563.49
  5. Step 5: Solve for x
    x = 65,028,563.49/10,644.30
  6. Step 6: Final answer
    x = 6,109.24

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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.