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Finding the Fourth Proportional to 61,805.13, 92,703.03 and 19,683.51

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Solution

The fourth proportional to 61,805.13, 92,703.03 and 19,683.51 is: 29,523.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,805.13 : 92,703.03 = 19,683.51 : x
  2. Step 2: Convert to fraction form
    61,805.13/92,703.03 = 19,683.51/x
  3. Step 3: Cross multiply
    61,805.13x = 92,703.03 × 19,683.51
  4. Step 4: Simplify right side
    61,805.13x = 1,824,720,554.52
  5. Step 5: Solve for x
    x = 1,824,720,554.52/61,805.13
  6. Step 6: Final answer
    x = 29,523.77

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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.