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Finding the Fourth Proportional to 61,265.82, 91,903.88 and 16,892.55

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Solution

The fourth proportional to 61,265.82, 91,903.88 and 16,892.55 is: 25,340.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,265.82 : 91,903.88 = 16,892.55 : x
  2. Step 2: Convert to fraction form
    61,265.82/91,903.88 = 16,892.55/x
  3. Step 3: Cross multiply
    61,265.82x = 91,903.88 × 16,892.55
  4. Step 4: Simplify right side
    61,265.82x = 1,552,490,803.63
  5. Step 5: Solve for x
    x = 1,552,490,803.63/61,265.82
  6. Step 6: Final answer
    x = 25,340.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.