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Finding the Fourth Proportional to 61,786.52, 85,265.12 and 33,492.14

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Solution

The fourth proportional to 61,786.52, 85,265.12 and 33,492.14 is: 46,219.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,786.52 : 85,265.12 = 33,492.14 : x
  2. Step 2: Convert to fraction form
    61,786.52/85,265.12 = 33,492.14/x
  3. Step 3: Cross multiply
    61,786.52x = 85,265.12 × 33,492.14
  4. Step 4: Simplify right side
    61,786.52x = 2,855,711,336.16
  5. Step 5: Solve for x
    x = 2,855,711,336.16/61,786.52
  6. Step 6: Final answer
    x = 46,219.00

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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.