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Finding the Fourth Proportional to 61,995.24, 92,978.87 and 17,621.01

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Solution

The fourth proportional to 61,995.24, 92,978.87 and 17,621.01 is: 26,427.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,995.24 : 92,978.87 = 17,621.01 : x
  2. Step 2: Convert to fraction form
    61,995.24/92,978.87 = 17,621.01/x
  3. Step 3: Cross multiply
    61,995.24x = 92,978.87 × 17,621.01
  4. Step 4: Simplify right side
    61,995.24x = 1,638,381,509.95
  5. Step 5: Solve for x
    x = 1,638,381,509.95/61,995.24
  6. Step 6: Final answer
    x = 26,427.54

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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.