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Finding the Fourth Proportional to 57,470.47, 79,308.02 and 33,272.46

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Solution

The fourth proportional to 57,470.47, 79,308.02 and 33,272.46 is: 45,915.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,470.47 : 79,308.02 = 33,272.46 : x
  2. Step 2: Convert to fraction form
    57,470.47/79,308.02 = 33,272.46/x
  3. Step 3: Cross multiply
    57,470.47x = 79,308.02 × 33,272.46
  4. Step 4: Simplify right side
    57,470.47x = 2,638,772,923.13
  5. Step 5: Solve for x
    x = 2,638,772,923.13/57,470.47
  6. Step 6: Final answer
    x = 45,915.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.