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Finding the Fourth Proportional to 63,072.84, 94,606.50 and 15,686.94

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Solution

The fourth proportional to 63,072.84, 94,606.50 and 15,686.94 is: 23,529.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,072.84 : 94,606.50 = 15,686.94 : x
  2. Step 2: Convert to fraction form
    63,072.84/94,606.50 = 15,686.94/x
  3. Step 3: Cross multiply
    63,072.84x = 94,606.50 × 15,686.94
  4. Step 4: Simplify right side
    63,072.84x = 1,484,086,489.11
  5. Step 5: Solve for x
    x = 1,484,086,489.11/63,072.84
  6. Step 6: Final answer
    x = 23,529.72

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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.