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Finding the Fourth Proportional to 56,341.62, 77,746.05 and 33,676.11

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Solution

The fourth proportional to 56,341.62, 77,746.05 and 33,676.11 is: 46,469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,341.62 : 77,746.05 = 33,676.11 : x
  2. Step 2: Convert to fraction form
    56,341.62/77,746.05 = 33,676.11/x
  3. Step 3: Cross multiply
    56,341.62x = 77,746.05 × 33,676.11
  4. Step 4: Simplify right side
    56,341.62x = 2,618,184,531.87
  5. Step 5: Solve for x
    x = 2,618,184,531.87/56,341.62
  6. Step 6: Final answer
    x = 46,469.81

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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.