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Finding the Fourth Proportional to 63,177.84, 94,735.06 and 21,043.11

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Solution

The fourth proportional to 63,177.84, 94,735.06 and 21,043.11 is: 31,554.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,177.84 : 94,735.06 = 21,043.11 : x
  2. Step 2: Convert to fraction form
    63,177.84/94,735.06 = 21,043.11/x
  3. Step 3: Cross multiply
    63,177.84x = 94,735.06 × 21,043.11
  4. Step 4: Simplify right side
    63,177.84x = 1,993,519,814.76
  5. Step 5: Solve for x
    x = 1,993,519,814.76/63,177.84
  6. Step 6: Final answer
    x = 31,554.10

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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.