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Finding the Fourth Proportional to 65,293.56, 97,926.98 and 20,907.99

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Solution

The fourth proportional to 65,293.56, 97,926.98 and 20,907.99 is: 31,357.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,293.56 : 97,926.98 = 20,907.99 : x
  2. Step 2: Convert to fraction form
    65,293.56/97,926.98 = 20,907.99/x
  3. Step 3: Cross multiply
    65,293.56x = 97,926.98 × 20,907.99
  4. Step 4: Simplify right side
    65,293.56x = 2,047,456,214.03
  5. Step 5: Solve for x
    x = 2,047,456,214.03/65,293.56
  6. Step 6: Final answer
    x = 31,357.71

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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.