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Finding the Fourth Proportional to 18,635.94, 27,953.91 and 4,595.94

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Solution

The fourth proportional to 18,635.94, 27,953.91 and 4,595.94 is: 6,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.94 : 27,953.91 = 4,595.94 : x
  2. Step 2: Convert to fraction form
    18,635.94/27,953.91 = 4,595.94/x
  3. Step 3: Cross multiply
    18,635.94x = 27,953.91 × 4,595.94
  4. Step 4: Simplify right side
    18,635.94x = 128,474,493.13
  5. Step 5: Solve for x
    x = 128,474,493.13/18,635.94
  6. Step 6: Final answer
    x = 6,893.91

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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.