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Finding the Fourth Proportional to 63,354.82, 94,953.29 and 55,438.56

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Solution

The fourth proportional to 63,354.82, 94,953.29 and 55,438.56 is: 83,088.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,354.82 : 94,953.29 = 55,438.56 : x
  2. Step 2: Convert to fraction form
    63,354.82/94,953.29 = 55,438.56/x
  3. Step 3: Cross multiply
    63,354.82x = 94,953.29 × 55,438.56
  4. Step 4: Simplify right side
    63,354.82x = 5,264,073,543.59
  5. Step 5: Solve for x
    x = 5,264,073,543.59/63,354.82
  6. Step 6: Final answer
    x = 83,088.77

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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.