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Finding the Fourth Proportional to 56,893.80, 78,500.88 and 33,006.63

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Solution

The fourth proportional to 56,893.80, 78,500.88 and 33,006.63 is: 45,541.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,893.80 : 78,500.88 = 33,006.63 : x
  2. Step 2: Convert to fraction form
    56,893.80/78,500.88 = 33,006.63/x
  3. Step 3: Cross multiply
    56,893.80x = 78,500.88 × 33,006.63
  4. Step 4: Simplify right side
    56,893.80x = 2,591,049,500.83
  5. Step 5: Solve for x
    x = 2,591,049,500.83/56,893.80
  6. Step 6: Final answer
    x = 45,541.86

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1.5x scale

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.