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Finding the Fourth Proportional to 86,026.77, 118,704.83 and 47,783.43

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Solution

The fourth proportional to 86,026.77, 118,704.83 and 47,783.43 is: 65,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,026.77 : 118,704.83 = 47,783.43 : x
  2. Step 2: Convert to fraction form
    86,026.77/118,704.83 = 47,783.43/x
  3. Step 3: Cross multiply
    86,026.77x = 118,704.83 × 47,783.43
  4. Step 4: Simplify right side
    86,026.77x = 5,672,123,696.05
  5. Step 5: Solve for x
    x = 5,672,123,696.05/86,026.77
  6. Step 6: Final answer
    x = 65,934.40

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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.