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Finding the Fourth Proportional to 65,028.93, 97,543.79 and 20,049.68

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Solution

The fourth proportional to 65,028.93, 97,543.79 and 20,049.68 is: 30,074.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,028.93 : 97,543.79 = 20,049.68 : x
  2. Step 2: Convert to fraction form
    65,028.93/97,543.79 = 20,049.68/x
  3. Step 3: Cross multiply
    65,028.93x = 97,543.79 × 20,049.68
  4. Step 4: Simplify right side
    65,028.93x = 1,955,721,558.38
  5. Step 5: Solve for x
    x = 1,955,721,558.38/65,028.93
  6. Step 6: Final answer
    x = 30,074.64

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1.5x scale

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.