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Finding the Fourth Proportional to 43,672.72, 65,522.93 and 15,592.16

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Solution

The fourth proportional to 43,672.72, 65,522.93 and 15,592.16 is: 23,393.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,672.72 : 65,522.93 = 15,592.16 : x
  2. Step 2: Convert to fraction form
    43,672.72/65,522.93 = 15,592.16/x
  3. Step 3: Cross multiply
    43,672.72x = 65,522.93 × 15,592.16
  4. Step 4: Simplify right side
    43,672.72x = 1,021,644,094.08
  5. Step 5: Solve for x
    x = 1,021,644,094.08/43,672.72
  6. Step 6: Final answer
    x = 23,393.19

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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.