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Finding the Fourth Proportional to 61,249, 91,897.11 and 23,835.45

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Solution

The fourth proportional to 61,249, 91,897.11 and 23,835.45 is: 35,762.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,249 : 91,897.11 = 23,835.45 : x
  2. Step 2: Convert to fraction form
    61,249/91,897.11 = 23,835.45/x
  3. Step 3: Cross multiply
    61,249x = 91,897.11 × 23,835.45
  4. Step 4: Simplify right side
    61,249x = 2,190,408,970.55
  5. Step 5: Solve for x
    x = 2,190,408,970.55/61,249
  6. Step 6: Final answer
    x = 35,762.36

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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.