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Finding the Fourth Proportional to 54,401.84, 75,079.94 and 36,534.04

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Solution

The fourth proportional to 54,401.84, 75,079.94 and 36,534.04 is: 50,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,401.84 : 75,079.94 = 36,534.04 : x
  2. Step 2: Convert to fraction form
    54,401.84/75,079.94 = 36,534.04/x
  3. Step 3: Cross multiply
    54,401.84x = 75,079.94 × 36,534.04
  4. Step 4: Simplify right side
    54,401.84x = 2,742,973,531.16
  5. Step 5: Solve for x
    x = 2,742,973,531.16/54,401.84
  6. Step 6: Final answer
    x = 50,420.60

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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.