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Finding the Fourth Proportional to 23,376.67, 35,189.91 and 20,965.50

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Solution

The fourth proportional to 23,376.67, 35,189.91 and 20,965.50 is: 31,560.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,376.67 : 35,189.91 = 20,965.50 : x
  2. Step 2: Convert to fraction form
    23,376.67/35,189.91 = 20,965.50/x
  3. Step 3: Cross multiply
    23,376.67x = 35,189.91 × 20,965.50
  4. Step 4: Simplify right side
    23,376.67x = 737,774,058.11
  5. Step 5: Solve for x
    x = 737,774,058.11/23,376.67
  6. Step 6: Final answer
    x = 31,560.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.