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Finding the Fourth Proportional to 63,063.95, 94,595.74 and 20,947.28

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Solution

The fourth proportional to 63,063.95, 94,595.74 and 20,947.28 is: 31,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,063.95 : 94,595.74 = 20,947.28 : x
  2. Step 2: Convert to fraction form
    63,063.95/94,595.74 = 20,947.28/x
  3. Step 3: Cross multiply
    63,063.95x = 94,595.74 × 20,947.28
  4. Step 4: Simplify right side
    63,063.95x = 1,981,522,927.24
  5. Step 5: Solve for x
    x = 1,981,522,927.24/63,063.95
  6. Step 6: Final answer
    x = 31,420.85

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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.