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Finding the Fourth Proportional to 75,313.92, 112,951.08 and 35,792.40

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Solution

The fourth proportional to 75,313.92, 112,951.08 and 35,792.40 is: 53,679.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,313.92 : 112,951.08 = 35,792.40 : x
  2. Step 2: Convert to fraction form
    75,313.92/112,951.08 = 35,792.40/x
  3. Step 3: Cross multiply
    75,313.92x = 112,951.08 × 35,792.40
  4. Step 4: Simplify right side
    75,313.92x = 4,042,790,235.79
  5. Step 5: Solve for x
    x = 4,042,790,235.79/75,313.92
  6. Step 6: Final answer
    x = 53,679.19

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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.