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Finding the Fourth Proportional to 63,139.64, 94,594.55 and 36,764.42

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Solution

The fourth proportional to 63,139.64, 94,594.55 and 36,764.42 is: 55,079.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,139.64 : 94,594.55 = 36,764.42 : x
  2. Step 2: Convert to fraction form
    63,139.64/94,594.55 = 36,764.42/x
  3. Step 3: Cross multiply
    63,139.64x = 94,594.55 × 36,764.42
  4. Step 4: Simplify right side
    63,139.64x = 3,477,713,109.12
  5. Step 5: Solve for x
    x = 3,477,713,109.12/63,139.64
  6. Step 6: Final answer
    x = 55,079.72

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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.