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Finding the Fourth Proportional to 61,866.09, 92,804.34 and 19,752.18

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Solution

The fourth proportional to 61,866.09, 92,804.34 and 19,752.18 is: 29,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,866.09 : 92,804.34 = 19,752.18 : x
  2. Step 2: Convert to fraction form
    61,866.09/92,804.34 = 19,752.18/x
  3. Step 3: Cross multiply
    61,866.09x = 92,804.34 × 19,752.18
  4. Step 4: Simplify right side
    61,866.09x = 1,833,088,028.46
  5. Step 5: Solve for x
    x = 1,833,088,028.46/61,866.09
  6. Step 6: Final answer
    x = 29,629.93

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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.