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Finding the Fourth Proportional to 63,484.89, 95,205.45 and 19,099.74

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Solution

The fourth proportional to 63,484.89, 95,205.45 and 19,099.74 is: 28,643.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,484.89 : 95,205.45 = 19,099.74 : x
  2. Step 2: Convert to fraction form
    63,484.89/95,205.45 = 19,099.74/x
  3. Step 3: Cross multiply
    63,484.89x = 95,205.45 × 19,099.74
  4. Step 4: Simplify right side
    63,484.89x = 1,818,399,341.58
  5. Step 5: Solve for x
    x = 1,818,399,341.58/63,484.89
  6. Step 6: Final answer
    x = 28,643.03

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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.