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Finding the Fourth Proportional to 56,291.76, 77,669.91 and 33,626.32

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Solution

The fourth proportional to 56,291.76, 77,669.91 and 33,626.32 is: 46,396.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,291.76 : 77,669.91 = 33,626.32 : x
  2. Step 2: Convert to fraction form
    56,291.76/77,669.91 = 33,626.32/x
  3. Step 3: Cross multiply
    56,291.76x = 77,669.91 × 33,626.32
  4. Step 4: Simplify right side
    56,291.76x = 2,611,753,248.03
  5. Step 5: Solve for x
    x = 2,611,753,248.03/56,291.76
  6. Step 6: Final answer
    x = 46,396.72

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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.