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Finding the Fourth Proportional to 61,363.64, 92,045.70 and 18,669.49

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Solution

The fourth proportional to 61,363.64, 92,045.70 and 18,669.49 is: 28,004.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,363.64 : 92,045.70 = 18,669.49 : x
  2. Step 2: Convert to fraction form
    61,363.64/92,045.70 = 18,669.49/x
  3. Step 3: Cross multiply
    61,363.64x = 92,045.70 × 18,669.49
  4. Step 4: Simplify right side
    61,363.64x = 1,718,446,045.58
  5. Step 5: Solve for x
    x = 1,718,446,045.58/61,363.64
  6. Step 6: Final answer
    x = 28,004.30

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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.