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Finding the Fourth Proportional to 35,991.90, 49,655.70 and 22,563.72

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Solution

The fourth proportional to 35,991.90, 49,655.70 and 22,563.72 is: 31,129.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,991.90 : 49,655.70 = 22,563.72 : x
  2. Step 2: Convert to fraction form
    35,991.90/49,655.70 = 22,563.72/x
  3. Step 3: Cross multiply
    35,991.90x = 49,655.70 × 22,563.72
  4. Step 4: Simplify right side
    35,991.90x = 1,120,417,311.20
  5. Step 5: Solve for x
    x = 1,120,417,311.20/35,991.90
  6. Step 6: Final answer
    x = 31,129.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.