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Finding the Fourth Proportional to 38,862, 53,629.56 and 22,095

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Solution

The fourth proportional to 38,862, 53,629.56 and 22,095 is: 30,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,862 : 53,629.56 = 22,095 : x
  2. Step 2: Convert to fraction form
    38,862/53,629.56 = 22,095/x
  3. Step 3: Cross multiply
    38,862x = 53,629.56 × 22,095
  4. Step 4: Simplify right side
    38,862x = 1,184,945,128.20
  5. Step 5: Solve for x
    x = 1,184,945,128.20/38,862
  6. Step 6: Final answer
    x = 30,491.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.