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Finding the Fourth Proportional to 61,946.68, 85,498.86 and 36,791.32

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Solution

The fourth proportional to 61,946.68, 85,498.86 and 36,791.32 is: 50,779.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,946.68 : 85,498.86 = 36,791.32 : x
  2. Step 2: Convert to fraction form
    61,946.68/85,498.86 = 36,791.32/x
  3. Step 3: Cross multiply
    61,946.68x = 85,498.86 × 36,791.32
  4. Step 4: Simplify right side
    61,946.68x = 3,145,615,917.90
  5. Step 5: Solve for x
    x = 3,145,615,917.90/61,946.68
  6. Step 6: Final answer
    x = 50,779.41

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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.