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Finding the Fourth Proportional to 48,609.94, 72,915.63 and 17,018.86

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Solution

The fourth proportional to 48,609.94, 72,915.63 and 17,018.86 is: 25,528.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,609.94 : 72,915.63 = 17,018.86 : x
  2. Step 2: Convert to fraction form
    48,609.94/72,915.63 = 17,018.86/x
  3. Step 3: Cross multiply
    48,609.94x = 72,915.63 × 17,018.86
  4. Step 4: Simplify right side
    48,609.94x = 1,240,940,898.78
  5. Step 5: Solve for x
    x = 1,240,940,898.78/48,609.94
  6. Step 6: Final answer
    x = 25,528.54

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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.