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Finding the Fourth Proportional to 61,953.80, 85,495.64 and 33,659.46

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Solution

The fourth proportional to 61,953.80, 85,495.64 and 33,659.46 is: 46,449.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,953.80 : 85,495.64 = 33,659.46 : x
  2. Step 2: Convert to fraction form
    61,953.80/85,495.64 = 33,659.46/x
  3. Step 3: Cross multiply
    61,953.80x = 85,495.64 × 33,659.46
  4. Step 4: Simplify right side
    61,953.80x = 2,877,736,906.46
  5. Step 5: Solve for x
    x = 2,877,736,906.46/61,953.80
  6. Step 6: Final answer
    x = 46,449.73

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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.