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Finding the Fourth Proportional to 61,802, 92,705.88 and 18,026

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Solution

The fourth proportional to 61,802, 92,705.88 and 18,026 is: 27,039.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,802 : 92,705.88 = 18,026 : x
  2. Step 2: Convert to fraction form
    61,802/92,705.88 = 18,026/x
  3. Step 3: Cross multiply
    61,802x = 92,705.88 × 18,026
  4. Step 4: Simplify right side
    61,802x = 1,671,116,192.88
  5. Step 5: Solve for x
    x = 1,671,116,192.88/61,802
  6. Step 6: Final answer
    x = 27,039.84

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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.