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Finding the Fourth Proportional to 63,690.53, 95,535.65 and 16,943.40

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Solution

The fourth proportional to 63,690.53, 95,535.65 and 16,943.40 is: 25,415.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,690.53 : 95,535.65 = 16,943.40 : x
  2. Step 2: Convert to fraction form
    63,690.53/95,535.65 = 16,943.40/x
  3. Step 3: Cross multiply
    63,690.53x = 95,535.65 × 16,943.40
  4. Step 4: Simplify right side
    63,690.53x = 1,618,698,647.49
  5. Step 5: Solve for x
    x = 1,618,698,647.49/63,690.53
  6. Step 6: Final answer
    x = 25,415.06

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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.