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Finding the Fourth Proportional to 49,657.01, 74,487.80 and 16,379.99

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Solution

The fourth proportional to 49,657.01, 74,487.80 and 16,379.99 is: 24,570.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,657.01 : 74,487.80 = 16,379.99 : x
  2. Step 2: Convert to fraction form
    49,657.01/74,487.80 = 16,379.99/x
  3. Step 3: Cross multiply
    49,657.01x = 74,487.80 × 16,379.99
  4. Step 4: Simplify right side
    49,657.01x = 1,220,109,419.12
  5. Step 5: Solve for x
    x = 1,220,109,419.12/49,657.01
  6. Step 6: Final answer
    x = 24,570.74

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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.