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Finding the Fourth Proportional to 61,543.88, 92,325.52 and 21,573.88

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Solution

The fourth proportional to 61,543.88, 92,325.52 and 21,573.88 is: 32,364.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,543.88 : 92,325.52 = 21,573.88 : x
  2. Step 2: Convert to fraction form
    61,543.88/92,325.52 = 21,573.88/x
  3. Step 3: Cross multiply
    61,543.88x = 92,325.52 × 21,573.88
  4. Step 4: Simplify right side
    61,543.88x = 1,991,819,689.42
  5. Step 5: Solve for x
    x = 1,991,819,689.42/61,543.88
  6. Step 6: Final answer
    x = 32,364.22

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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.