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Finding the Fourth Proportional to 47,955.84, 66,243.63 and 43,484.64

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Solution

The fourth proportional to 47,955.84, 66,243.63 and 43,484.64 is: 60,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,955.84 : 66,243.63 = 43,484.64 : x
  2. Step 2: Convert to fraction form
    47,955.84/66,243.63 = 43,484.64/x
  3. Step 3: Cross multiply
    47,955.84x = 66,243.63 × 43,484.64
  4. Step 4: Simplify right side
    47,955.84x = 2,880,580,402.84
  5. Step 5: Solve for x
    x = 2,880,580,402.84/47,955.84
  6. Step 6: Final answer
    x = 60,067.35

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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.