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Finding the Fourth Proportional to 65,260.44, 97,897.77 and 20,876.76

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Solution

The fourth proportional to 65,260.44, 97,897.77 and 20,876.76 is: 31,317.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,260.44 : 97,897.77 = 20,876.76 : x
  2. Step 2: Convert to fraction form
    65,260.44/97,897.77 = 20,876.76/x
  3. Step 3: Cross multiply
    65,260.44x = 97,897.77 × 20,876.76
  4. Step 4: Simplify right side
    65,260.44x = 2,043,788,248.83
  5. Step 5: Solve for x
    x = 2,043,788,248.83/65,260.44
  6. Step 6: Final answer
    x = 31,317.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.