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Finding the Fourth Proportional to 61,926.76, 92,886.49 and 20,373.76

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Solution

The fourth proportional to 61,926.76, 92,886.49 and 20,373.76 is: 30,559.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,926.76 : 92,886.49 = 20,373.76 : x
  2. Step 2: Convert to fraction form
    61,926.76/92,886.49 = 20,373.76/x
  3. Step 3: Cross multiply
    61,926.76x = 92,886.49 × 20,373.76
  4. Step 4: Simplify right side
    61,926.76x = 1,892,447,054.50
  5. Step 5: Solve for x
    x = 1,892,447,054.50/61,926.76
  6. Step 6: Final answer
    x = 30,559.44

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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.