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Finding the Fourth Proportional to 43,610.55, 65,251.80 and 28,848.30

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Solution

The fourth proportional to 43,610.55, 65,251.80 and 28,848.30 is: 43,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,610.55 : 65,251.80 = 28,848.30 : x
  2. Step 2: Convert to fraction form
    43,610.55/65,251.80 = 28,848.30/x
  3. Step 3: Cross multiply
    43,610.55x = 65,251.80 × 28,848.30
  4. Step 4: Simplify right side
    43,610.55x = 1,882,403,501.94
  5. Step 5: Solve for x
    x = 1,882,403,501.94/43,610.55
  6. Step 6: Final answer
    x = 43,163.95

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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.