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Finding the Fourth Proportional to 35,171.81, 52,763.03 and 10,212.21

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Solution

The fourth proportional to 35,171.81, 52,763.03 and 10,212.21 is: 15,319.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,171.81 : 52,763.03 = 10,212.21 : x
  2. Step 2: Convert to fraction form
    35,171.81/52,763.03 = 10,212.21/x
  3. Step 3: Cross multiply
    35,171.81x = 52,763.03 × 10,212.21
  4. Step 4: Simplify right side
    35,171.81x = 538,827,091.54
  5. Step 5: Solve for x
    x = 538,827,091.54/35,171.81
  6. Step 6: Final answer
    x = 15,319.86

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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.