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Finding the Fourth Proportional to 61,011.63, 91,531.35 and 23,571.81

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Solution

The fourth proportional to 61,011.63, 91,531.35 and 23,571.81 is: 35,363.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,011.63 : 91,531.35 = 23,571.81 : x
  2. Step 2: Convert to fraction form
    61,011.63/91,531.35 = 23,571.81/x
  3. Step 3: Cross multiply
    61,011.63x = 91,531.35 × 23,571.81
  4. Step 4: Simplify right side
    61,011.63x = 2,157,559,591.24
  5. Step 5: Solve for x
    x = 2,157,559,591.24/61,011.63
  6. Step 6: Final answer
    x = 35,363.09

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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.