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Finding the Fourth Proportional to 61,803.36, 85,287.87 and 33,508.98

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Solution

The fourth proportional to 61,803.36, 85,287.87 and 33,508.98 is: 46,241.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,803.36 : 85,287.87 = 33,508.98 : x
  2. Step 2: Convert to fraction form
    61,803.36/85,287.87 = 33,508.98/x
  3. Step 3: Cross multiply
    61,803.36x = 85,287.87 × 33,508.98
  4. Step 4: Simplify right side
    61,803.36x = 2,857,909,530.07
  5. Step 5: Solve for x
    x = 2,857,909,530.07/61,803.36
  6. Step 6: Final answer
    x = 46,241.98

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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.