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Finding the Fourth Proportional to 56,261.82, 77,649.03 and 33,901.50

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Solution

The fourth proportional to 56,261.82, 77,649.03 and 33,901.50 is: 46,788.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,261.82 : 77,649.03 = 33,901.50 : x
  2. Step 2: Convert to fraction form
    56,261.82/77,649.03 = 33,901.50/x
  3. Step 3: Cross multiply
    56,261.82x = 77,649.03 × 33,901.50
  4. Step 4: Simplify right side
    56,261.82x = 2,632,418,590.55
  5. Step 5: Solve for x
    x = 2,632,418,590.55/56,261.82
  6. Step 6: Final answer
    x = 46,788.72

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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.