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Finding the Fourth Proportional to 61,810.60, 92,759.10 and 26,775.40

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Solution

The fourth proportional to 61,810.60, 92,759.10 and 26,775.40 is: 40,181.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,810.60 : 92,759.10 = 26,775.40 : x
  2. Step 2: Convert to fraction form
    61,810.60/92,759.10 = 26,775.40/x
  3. Step 3: Cross multiply
    61,810.60x = 92,759.10 × 26,775.40
  4. Step 4: Simplify right side
    61,810.60x = 2,483,662,006.14
  5. Step 5: Solve for x
    x = 2,483,662,006.14/61,810.60
  6. Step 6: Final answer
    x = 40,181.81

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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.