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Finding the Fourth Proportional to 49,886.40, 74,841.90 and 14,826.05

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Solution

The fourth proportional to 49,886.40, 74,841.90 and 14,826.05 is: 22,242.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,886.40 : 74,841.90 = 14,826.05 : x
  2. Step 2: Convert to fraction form
    49,886.40/74,841.90 = 14,826.05/x
  3. Step 3: Cross multiply
    49,886.40x = 74,841.90 × 14,826.05
  4. Step 4: Simplify right side
    49,886.40x = 1,109,609,751.50
  5. Step 5: Solve for x
    x = 1,109,609,751.50/49,886.40
  6. Step 6: Final answer
    x = 22,242.73

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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.