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Finding the Fourth Proportional to 56,941.30, 78,573.02 and 33,063.30

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Solution

The fourth proportional to 56,941.30, 78,573.02 and 33,063.30 is: 45,623.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,941.30 : 78,573.02 = 33,063.30 : x
  2. Step 2: Convert to fraction form
    56,941.30/78,573.02 = 33,063.30/x
  3. Step 3: Cross multiply
    56,941.30x = 78,573.02 × 33,063.30
  4. Step 4: Simplify right side
    56,941.30x = 2,597,883,332.17
  5. Step 5: Solve for x
    x = 2,597,883,332.17/56,941.30
  6. Step 6: Final answer
    x = 45,623.89

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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.