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Finding the Fourth Proportional to 43,227.50, 64,841.25 and 10,395.50

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Solution

The fourth proportional to 43,227.50, 64,841.25 and 10,395.50 is: 15,593.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,227.50 : 64,841.25 = 10,395.50 : x
  2. Step 2: Convert to fraction form
    43,227.50/64,841.25 = 10,395.50/x
  3. Step 3: Cross multiply
    43,227.50x = 64,841.25 × 10,395.50
  4. Step 4: Simplify right side
    43,227.50x = 674,057,214.38
  5. Step 5: Solve for x
    x = 674,057,214.38/43,227.50
  6. Step 6: Final answer
    x = 15,593.25

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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.