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Finding the Fourth Proportional to 46,991.49, 64,848.34 and 25,770.91

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Solution

The fourth proportional to 46,991.49, 64,848.34 and 25,770.91 is: 35,563.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,991.49 : 64,848.34 = 25,770.91 : x
  2. Step 2: Convert to fraction form
    46,991.49/64,848.34 = 25,770.91/x
  3. Step 3: Cross multiply
    46,991.49x = 64,848.34 × 25,770.91
  4. Step 4: Simplify right side
    46,991.49x = 1,671,200,603.88
  5. Step 5: Solve for x
    x = 1,671,200,603.88/46,991.49
  6. Step 6: Final answer
    x = 35,563.90

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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.