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Finding the Fourth Proportional to 43,487.78, 65,256.76 and 23,497.33

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Solution

The fourth proportional to 43,487.78, 65,256.76 and 23,497.33 is: 35,259.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,487.78 : 65,256.76 = 23,497.33 : x
  2. Step 2: Convert to fraction form
    43,487.78/65,256.76 = 23,497.33/x
  3. Step 3: Cross multiply
    43,487.78x = 65,256.76 × 23,497.33
  4. Step 4: Simplify right side
    43,487.78x = 1,533,359,624.45
  5. Step 5: Solve for x
    x = 1,533,359,624.45/43,487.78
  6. Step 6: Final answer
    x = 35,259.55

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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.