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Finding the Fourth Proportional to 42,053, 63,079.50 and 23,586.44

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Solution

The fourth proportional to 42,053, 63,079.50 and 23,586.44 is: 35,379.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,053 : 63,079.50 = 23,586.44 : x
  2. Step 2: Convert to fraction form
    42,053/63,079.50 = 23,586.44/x
  3. Step 3: Cross multiply
    42,053x = 63,079.50 × 23,586.44
  4. Step 4: Simplify right side
    42,053x = 1,487,820,841.98
  5. Step 5: Solve for x
    x = 1,487,820,841.98/42,053
  6. Step 6: Final answer
    x = 35,379.66

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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.