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Finding the Fourth Proportional to 61,500, 92,224.56 and 21,510.60

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Solution

The fourth proportional to 61,500, 92,224.56 and 21,510.60 is: 32,257.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,500 : 92,224.56 = 21,510.60 : x
  2. Step 2: Convert to fraction form
    61,500/92,224.56 = 21,510.60/x
  3. Step 3: Cross multiply
    61,500x = 92,224.56 × 21,510.60
  4. Step 4: Simplify right side
    61,500x = 1,983,805,620.34
  5. Step 5: Solve for x
    x = 1,983,805,620.34/61,500
  6. Step 6: Final answer
    x = 32,257.00

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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.