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Finding the Fourth Proportional to 23,885.73, 35,779.32 and 13,995

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Solution

The fourth proportional to 23,885.73, 35,779.32 and 13,995 is: 20,963.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,885.73 : 35,779.32 = 13,995 : x
  2. Step 2: Convert to fraction form
    23,885.73/35,779.32 = 13,995/x
  3. Step 3: Cross multiply
    23,885.73x = 35,779.32 × 13,995
  4. Step 4: Simplify right side
    23,885.73x = 500,731,583.40
  5. Step 5: Solve for x
    x = 500,731,583.40/23,885.73
  6. Step 6: Final answer
    x = 20,963.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.