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Finding the Fourth Proportional to 15,602.54, 23,404.53 and 3,915.86

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Solution

The fourth proportional to 15,602.54, 23,404.53 and 3,915.86 is: 5,873.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.54 : 23,404.53 = 3,915.86 : x
  2. Step 2: Convert to fraction form
    15,602.54/23,404.53 = 3,915.86/x
  3. Step 3: Cross multiply
    15,602.54x = 23,404.53 × 3,915.86
  4. Step 4: Simplify right side
    15,602.54x = 91,648,862.85
  5. Step 5: Solve for x
    x = 91,648,862.85/15,602.54
  6. Step 6: Final answer
    x = 5,873.97

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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.