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Finding the Fourth Proportional to 86,800.38, 119,785.24 and 47,056.38

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Solution

The fourth proportional to 86,800.38, 119,785.24 and 47,056.38 is: 64,938.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,800.38 : 119,785.24 = 47,056.38 : x
  2. Step 2: Convert to fraction form
    86,800.38/119,785.24 = 47,056.38/x
  3. Step 3: Cross multiply
    86,800.38x = 119,785.24 × 47,056.38
  4. Step 4: Simplify right side
    86,800.38x = 5,636,659,771.83
  5. Step 5: Solve for x
    x = 5,636,659,771.83/86,800.38
  6. Step 6: Final answer
    x = 64,938.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.