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Finding the Fourth Proportional to 56,508.86, 77,969.12 and 33,843.64

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Solution

The fourth proportional to 56,508.86, 77,969.12 and 33,843.64 is: 46,696.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,508.86 : 77,969.12 = 33,843.64 : x
  2. Step 2: Convert to fraction form
    56,508.86/77,969.12 = 33,843.64/x
  3. Step 3: Cross multiply
    56,508.86x = 77,969.12 × 33,843.64
  4. Step 4: Simplify right side
    56,508.86x = 2,638,758,269.33
  5. Step 5: Solve for x
    x = 2,638,758,269.33/56,508.86
  6. Step 6: Final answer
    x = 46,696.37

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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.