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Finding the Fourth Proportional to 61,365.78, 92,011.50 and 40,034.43

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Solution

The fourth proportional to 61,365.78, 92,011.50 and 40,034.43 is: 60,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,365.78 : 92,011.50 = 40,034.43 : x
  2. Step 2: Convert to fraction form
    61,365.78/92,011.50 = 40,034.43/x
  3. Step 3: Cross multiply
    61,365.78x = 92,011.50 × 40,034.43
  4. Step 4: Simplify right side
    61,365.78x = 3,683,627,955.95
  5. Step 5: Solve for x
    x = 3,683,627,955.95/61,365.78
  6. Step 6: Final answer
    x = 60,027.40

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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.