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Finding the Fourth Proportional to 76,480.54, 114,793.77 and 46,956.04

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Solution

The fourth proportional to 76,480.54, 114,793.77 and 46,956.04 is: 70,478.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,480.54 : 114,793.77 = 46,956.04 : x
  2. Step 2: Convert to fraction form
    76,480.54/114,793.77 = 46,956.04/x
  3. Step 3: Cross multiply
    76,480.54x = 114,793.77 × 46,956.04
  4. Step 4: Simplify right side
    76,480.54x = 5,390,260,744.97
  5. Step 5: Solve for x
    x = 5,390,260,744.97/76,480.54
  6. Step 6: Final answer
    x = 70,478.86

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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.