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Finding the Fourth Proportional to 56,311.39, 77,702.04 and 33,645.60

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Solution

The fourth proportional to 56,311.39, 77,702.04 and 33,645.60 is: 46,426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,311.39 : 77,702.04 = 33,645.60 : x
  2. Step 2: Convert to fraction form
    56,311.39/77,702.04 = 33,645.60/x
  3. Step 3: Cross multiply
    56,311.39x = 77,702.04 × 33,645.60
  4. Step 4: Simplify right side
    56,311.39x = 2,614,331,757.02
  5. Step 5: Solve for x
    x = 2,614,331,757.02/56,311.39
  6. Step 6: Final answer
    x = 46,426.34

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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.