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Finding the Fourth Proportional to 61,668.61, 92,502.23 and 19,548.68

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Solution

The fourth proportional to 61,668.61, 92,502.23 and 19,548.68 is: 29,322.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,668.61 : 92,502.23 = 19,548.68 : x
  2. Step 2: Convert to fraction form
    61,668.61/92,502.23 = 19,548.68/x
  3. Step 3: Cross multiply
    61,668.61x = 92,502.23 × 19,548.68
  4. Step 4: Simplify right side
    61,668.61x = 1,808,295,933.30
  5. Step 5: Solve for x
    x = 1,808,295,933.30/61,668.61
  6. Step 6: Final answer
    x = 29,322.79

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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.