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Finding the Fourth Proportional to 29,548.80, 40,726.80 and 23,133.60

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Solution

The fourth proportional to 29,548.80, 40,726.80 and 23,133.60 is: 31,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,548.80 : 40,726.80 = 23,133.60 : x
  2. Step 2: Convert to fraction form
    29,548.80/40,726.80 = 23,133.60/x
  3. Step 3: Cross multiply
    29,548.80x = 40,726.80 × 23,133.60
  4. Step 4: Simplify right side
    29,548.80x = 942,157,500.48
  5. Step 5: Solve for x
    x = 942,157,500.48/29,548.80
  6. Step 6: Final answer
    x = 31,884.80

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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.