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Finding the Fourth Proportional to 61,395.96, 84,721.68 and 34,533.12

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Solution

The fourth proportional to 61,395.96, 84,721.68 and 34,533.12 is: 47,653.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,395.96 : 84,721.68 = 34,533.12 : x
  2. Step 2: Convert to fraction form
    61,395.96/84,721.68 = 34,533.12/x
  3. Step 3: Cross multiply
    61,395.96x = 84,721.68 × 34,533.12
  4. Step 4: Simplify right side
    61,395.96x = 2,925,703,942.04
  5. Step 5: Solve for x
    x = 2,925,703,942.04/61,395.96
  6. Step 6: Final answer
    x = 47,653.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.