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Finding the Fourth Proportional to 38,076.04, 52,545 and 21,309.04

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Solution

The fourth proportional to 38,076.04, 52,545 and 21,309.04 is: 29,406.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,076.04 : 52,545 = 21,309.04 : x
  2. Step 2: Convert to fraction form
    38,076.04/52,545 = 21,309.04/x
  3. Step 3: Cross multiply
    38,076.04x = 52,545 × 21,309.04
  4. Step 4: Simplify right side
    38,076.04x = 1,119,683,506.80
  5. Step 5: Solve for x
    x = 1,119,683,506.80/38,076.04
  6. Step 6: Final answer
    x = 29,406.51

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