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Finding the Fourth Proportional to 15,808.53, 23,731.90 and 7,383.05

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Solution

The fourth proportional to 15,808.53, 23,731.90 and 7,383.05 is: 11,083.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,808.53 : 23,731.90 = 7,383.05 : x
  2. Step 2: Convert to fraction form
    15,808.53/23,731.90 = 7,383.05/x
  3. Step 3: Cross multiply
    15,808.53x = 23,731.90 × 7,383.05
  4. Step 4: Simplify right side
    15,808.53x = 175,213,804.30
  5. Step 5: Solve for x
    x = 175,213,804.30/15,808.53
  6. Step 6: Final answer
    x = 11,083.50

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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.