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Finding the Fourth Proportional to 63,690.95, 95,445.87 and 46,919.09

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Solution

The fourth proportional to 63,690.95, 95,445.87 and 46,919.09 is: 70,311.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,690.95 : 95,445.87 = 46,919.09 : x
  2. Step 2: Convert to fraction form
    63,690.95/95,445.87 = 46,919.09/x
  3. Step 3: Cross multiply
    63,690.95x = 95,445.87 × 46,919.09
  4. Step 4: Simplify right side
    63,690.95x = 4,478,233,364.66
  5. Step 5: Solve for x
    x = 4,478,233,364.66/63,690.95
  6. Step 6: Final answer
    x = 70,311.93

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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.