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Finding the Fourth Proportional to 56,133.70, 77,473.02 and 34,919.80

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Solution

The fourth proportional to 56,133.70, 77,473.02 and 34,919.80 is: 48,194.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,133.70 : 77,473.02 = 34,919.80 : x
  2. Step 2: Convert to fraction form
    56,133.70/77,473.02 = 34,919.80/x
  3. Step 3: Cross multiply
    56,133.70x = 77,473.02 × 34,919.80
  4. Step 4: Simplify right side
    56,133.70x = 2,705,342,363.80
  5. Step 5: Solve for x
    x = 2,705,342,363.80/56,133.70
  6. Step 6: Final answer
    x = 48,194.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.