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Finding the Fourth Proportional to 61,953.64, 85,495.80 and 33,659.08

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Solution

The fourth proportional to 61,953.64, 85,495.80 and 33,659.08 is: 46,449.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,953.64 : 85,495.80 = 33,659.08 : x
  2. Step 2: Convert to fraction form
    61,953.64/85,495.80 = 33,659.08/x
  3. Step 3: Cross multiply
    61,953.64x = 85,495.80 × 33,659.08
  4. Step 4: Simplify right side
    61,953.64x = 2,877,709,971.86
  5. Step 5: Solve for x
    x = 2,877,709,971.86/61,953.64
  6. Step 6: Final answer
    x = 46,449.41

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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.