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Finding the Fourth Proportional to 36,507.57, 50,381.10 and 21,411.12

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Solution

The fourth proportional to 36,507.57, 50,381.10 and 21,411.12 is: 29,547.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,507.57 : 50,381.10 = 21,411.12 : x
  2. Step 2: Convert to fraction form
    36,507.57/50,381.10 = 21,411.12/x
  3. Step 3: Cross multiply
    36,507.57x = 50,381.10 × 21,411.12
  4. Step 4: Simplify right side
    36,507.57x = 1,078,715,525.93
  5. Step 5: Solve for x
    x = 1,078,715,525.93/36,507.57
  6. Step 6: Final answer
    x = 29,547.72

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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.