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Finding the Fourth Proportional to 15,492.89, 23,239.88 and 4,961.54

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Solution

The fourth proportional to 15,492.89, 23,239.88 and 4,961.54 is: 7,442.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,492.89 : 23,239.88 = 4,961.54 : x
  2. Step 2: Convert to fraction form
    15,492.89/23,239.88 = 4,961.54/x
  3. Step 3: Cross multiply
    15,492.89x = 23,239.88 × 4,961.54
  4. Step 4: Simplify right side
    15,492.89x = 115,305,600.42
  5. Step 5: Solve for x
    x = 115,305,600.42/15,492.89
  6. Step 6: Final answer
    x = 7,442.49

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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.