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Finding the Fourth Proportional to 61,868.13, 92,802.19 and 22,425.28

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Solution

The fourth proportional to 61,868.13, 92,802.19 and 22,425.28 is: 33,637.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,868.13 : 92,802.19 = 22,425.28 : x
  2. Step 2: Convert to fraction form
    61,868.13/92,802.19 = 22,425.28/x
  3. Step 3: Cross multiply
    61,868.13x = 92,802.19 × 22,425.28
  4. Step 4: Simplify right side
    61,868.13x = 2,081,115,095.36
  5. Step 5: Solve for x
    x = 2,081,115,095.36/61,868.13
  6. Step 6: Final answer
    x = 33,637.92

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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.