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Finding the Fourth Proportional to 63,611, 95,416.54 and 19,835

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Solution

The fourth proportional to 63,611, 95,416.54 and 19,835 is: 29,752.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,611 : 95,416.54 = 19,835 : x
  2. Step 2: Convert to fraction form
    63,611/95,416.54 = 19,835/x
  3. Step 3: Cross multiply
    63,611x = 95,416.54 × 19,835
  4. Step 4: Simplify right side
    63,611x = 1,892,587,070.90
  5. Step 5: Solve for x
    x = 1,892,587,070.90/63,611
  6. Step 6: Final answer
    x = 29,752.51

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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.