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Finding the Fourth Proportional to 71,228.04, 106,866.63 and 26,867.49

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Solution

The fourth proportional to 71,228.04, 106,866.63 and 26,867.49 is: 40,310.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,228.04 : 106,866.63 = 26,867.49 : x
  2. Step 2: Convert to fraction form
    71,228.04/106,866.63 = 26,867.49/x
  3. Step 3: Cross multiply
    71,228.04x = 106,866.63 × 26,867.49
  4. Step 4: Simplify right side
    71,228.04x = 2,871,238,112.86
  5. Step 5: Solve for x
    x = 2,871,238,112.86/71,228.04
  6. Step 6: Final answer
    x = 40,310.50

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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.