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Finding the Fourth Proportional to 63,851.69, 95,792.54 and 19,478.45

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Solution

The fourth proportional to 63,851.69, 95,792.54 and 19,478.45 is: 29,222.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,851.69 : 95,792.54 = 19,478.45 : x
  2. Step 2: Convert to fraction form
    63,851.69/95,792.54 = 19,478.45/x
  3. Step 3: Cross multiply
    63,851.69x = 95,792.54 × 19,478.45
  4. Step 4: Simplify right side
    63,851.69x = 1,865,889,624.41
  5. Step 5: Solve for x
    x = 1,865,889,624.41/63,851.69
  6. Step 6: Final answer
    x = 29,222.25

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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.