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Finding the Fourth Proportional to 61,545, 92,330.52 and 19,995.24

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Solution

The fourth proportional to 61,545, 92,330.52 and 19,995.24 is: 29,997.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,545 : 92,330.52 = 19,995.24 : x
  2. Step 2: Convert to fraction form
    61,545/92,330.52 = 19,995.24/x
  3. Step 3: Cross multiply
    61,545x = 92,330.52 × 19,995.24
  4. Step 4: Simplify right side
    61,545x = 1,846,170,906.72
  5. Step 5: Solve for x
    x = 1,846,170,906.72/61,545
  6. Step 6: Final answer
    x = 29,997.09

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1.5x scale

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.