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Finding the Fourth Proportional to 61,669.56, 92,503.64 and 19,549.61

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Solution

The fourth proportional to 61,669.56, 92,503.64 and 19,549.61 is: 29,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,669.56 : 92,503.64 = 19,549.61 : x
  2. Step 2: Convert to fraction form
    61,669.56/92,503.64 = 19,549.61/x
  3. Step 3: Cross multiply
    61,669.56x = 92,503.64 × 19,549.61
  4. Step 4: Simplify right side
    61,669.56x = 1,808,409,525.31
  5. Step 5: Solve for x
    x = 1,808,409,525.31/61,669.56
  6. Step 6: Final answer
    x = 29,324.18

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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.