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Finding the Fourth Proportional to 55,794.84, 76,964.22 and 37,676.76

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Solution

The fourth proportional to 55,794.84, 76,964.22 and 37,676.76 is: 51,971.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,794.84 : 76,964.22 = 37,676.76 : x
  2. Step 2: Convert to fraction form
    55,794.84/76,964.22 = 37,676.76/x
  3. Step 3: Cross multiply
    55,794.84x = 76,964.22 × 37,676.76
  4. Step 4: Simplify right side
    55,794.84x = 2,899,762,445.53
  5. Step 5: Solve for x
    x = 2,899,762,445.53/55,794.84
  6. Step 6: Final answer
    x = 51,971.87

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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.