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Finding the Fourth Proportional to 63,378.90, 95,064.67 and 19,006.49

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Solution

The fourth proportional to 63,378.90, 95,064.67 and 19,006.49 is: 28,508.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,378.90 : 95,064.67 = 19,006.49 : x
  2. Step 2: Convert to fraction form
    63,378.90/95,064.67 = 19,006.49/x
  3. Step 3: Cross multiply
    63,378.90x = 95,064.67 × 19,006.49
  4. Step 4: Simplify right side
    63,378.90x = 1,806,845,699.71
  5. Step 5: Solve for x
    x = 1,806,845,699.71/63,378.90
  6. Step 6: Final answer
    x = 28,508.63

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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.