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Finding the Fourth Proportional to 62,019.69, 93,030.11 and 19,899.86

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Solution

The fourth proportional to 62,019.69, 93,030.11 and 19,899.86 is: 29,849.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,019.69 : 93,030.11 = 19,899.86 : x
  2. Step 2: Convert to fraction form
    62,019.69/93,030.11 = 19,899.86/x
  3. Step 3: Cross multiply
    62,019.69x = 93,030.11 × 19,899.86
  4. Step 4: Simplify right side
    62,019.69x = 1,851,285,600.13
  5. Step 5: Solve for x
    x = 1,851,285,600.13/62,019.69
  6. Step 6: Final answer
    x = 29,849.97

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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.