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Finding the Fourth Proportional to 23,476.50, 35,005.29 and 20,868.48

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Solution

The fourth proportional to 23,476.50, 35,005.29 and 20,868.48 is: 31,116.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,476.50 : 35,005.29 = 20,868.48 : x
  2. Step 2: Convert to fraction form
    23,476.50/35,005.29 = 20,868.48/x
  3. Step 3: Cross multiply
    23,476.50x = 35,005.29 × 20,868.48
  4. Step 4: Simplify right side
    23,476.50x = 730,507,194.26
  5. Step 5: Solve for x
    x = 730,507,194.26/23,476.50
  6. Step 6: Final answer
    x = 31,116.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.