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Finding the Fourth Proportional to 31,973, 44,128.20 and 18,548.44

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Solution

The fourth proportional to 31,973, 44,128.20 and 18,548.44 is: 25,600.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,973 : 44,128.20 = 18,548.44 : x
  2. Step 2: Convert to fraction form
    31,973/44,128.20 = 18,548.44/x
  3. Step 3: Cross multiply
    31,973x = 44,128.20 × 18,548.44
  4. Step 4: Simplify right side
    31,973x = 818,509,270.01
  5. Step 5: Solve for x
    x = 818,509,270.01/31,973
  6. Step 6: Final answer
    x = 25,600.01

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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.