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Finding the Fourth Proportional to 43,459.95, 65,189.92 and 27,975.99

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Solution

The fourth proportional to 43,459.95, 65,189.92 and 27,975.99 is: 41,963.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,459.95 : 65,189.92 = 27,975.99 : x
  2. Step 2: Convert to fraction form
    43,459.95/65,189.92 = 27,975.99/x
  3. Step 3: Cross multiply
    43,459.95x = 65,189.92 × 27,975.99
  4. Step 4: Simplify right side
    43,459.95x = 1,823,752,550.02
  5. Step 5: Solve for x
    x = 1,823,752,550.02/43,459.95
  6. Step 6: Final answer
    x = 41,963.98

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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.