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Finding the Fourth Proportional to 61,711.98, 85,162.37 and 33,417.66

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Solution

The fourth proportional to 61,711.98, 85,162.37 and 33,417.66 is: 46,116.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,711.98 : 85,162.37 = 33,417.66 : x
  2. Step 2: Convert to fraction form
    61,711.98/85,162.37 = 33,417.66/x
  3. Step 3: Cross multiply
    61,711.98x = 85,162.37 × 33,417.66
  4. Step 4: Simplify right side
    61,711.98x = 2,845,926,958.37
  5. Step 5: Solve for x
    x = 2,845,926,958.37/61,711.98
  6. Step 6: Final answer
    x = 46,116.28

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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.