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Finding the Fourth Proportional to 61,773.94, 85,203.03 and 39,116.62

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Solution

The fourth proportional to 61,773.94, 85,203.03 and 39,116.62 is: 53,952.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,773.94 : 85,203.03 = 39,116.62 : x
  2. Step 2: Convert to fraction form
    61,773.94/85,203.03 = 39,116.62/x
  3. Step 3: Cross multiply
    61,773.94x = 85,203.03 × 39,116.62
  4. Step 4: Simplify right side
    61,773.94x = 3,332,854,547.36
  5. Step 5: Solve for x
    x = 3,332,854,547.36/61,773.94
  6. Step 6: Final answer
    x = 53,952.44

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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.