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Finding the Fourth Proportional to 47,383.48, 70,899.84 and 37,994.80

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Solution

The fourth proportional to 47,383.48, 70,899.84 and 37,994.80 is: 56,851.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,383.48 : 70,899.84 = 37,994.80 : x
  2. Step 2: Convert to fraction form
    47,383.48/70,899.84 = 37,994.80/x
  3. Step 3: Cross multiply
    47,383.48x = 70,899.84 × 37,994.80
  4. Step 4: Simplify right side
    47,383.48x = 2,693,825,240.83
  5. Step 5: Solve for x
    x = 2,693,825,240.83/47,383.48
  6. Step 6: Final answer
    x = 56,851.57

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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.