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Finding the Fourth Proportional to 40,573.70, 55,986.14 and 22,666.48

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Solution

The fourth proportional to 40,573.70, 55,986.14 and 22,666.48 is: 31,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,573.70 : 55,986.14 = 22,666.48 : x
  2. Step 2: Convert to fraction form
    40,573.70/55,986.14 = 22,666.48/x
  3. Step 3: Cross multiply
    40,573.70x = 55,986.14 × 22,666.48
  4. Step 4: Simplify right side
    40,573.70x = 1,269,008,722.59
  5. Step 5: Solve for x
    x = 1,269,008,722.59/40,573.70
  6. Step 6: Final answer
    x = 31,276.63

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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.