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Finding the Fourth Proportional to 61,396.32, 84,731.84 and 34,537.23

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Solution

The fourth proportional to 61,396.32, 84,731.84 and 34,537.23 is: 47,664.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,396.32 : 84,731.84 = 34,537.23 : x
  2. Step 2: Convert to fraction form
    61,396.32/84,731.84 = 34,537.23/x
  3. Step 3: Cross multiply
    61,396.32x = 84,731.84 × 34,537.23
  4. Step 4: Simplify right side
    61,396.32x = 2,926,402,622.74
  5. Step 5: Solve for x
    x = 2,926,402,622.74/61,396.32
  6. Step 6: Final answer
    x = 47,664.14

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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.