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Finding the Fourth Proportional to 44,978.96, 67,420.92 and 14,985.08

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Solution

The fourth proportional to 44,978.96, 67,420.92 and 14,985.08 is: 22,461.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,978.96 : 67,420.92 = 14,985.08 : x
  2. Step 2: Convert to fraction form
    44,978.96/67,420.92 = 14,985.08/x
  3. Step 3: Cross multiply
    44,978.96x = 67,420.92 × 14,985.08
  4. Step 4: Simplify right side
    44,978.96x = 1,010,307,879.87
  5. Step 5: Solve for x
    x = 1,010,307,879.87/44,978.96
  6. Step 6: Final answer
    x = 22,461.79

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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.