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Finding the Fourth Proportional to 61,973.52, 85,523.28 and 33,678.96

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Solution

The fourth proportional to 61,973.52, 85,523.28 and 33,678.96 is: 46,476.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,973.52 : 85,523.28 = 33,678.96 : x
  2. Step 2: Convert to fraction form
    61,973.52/85,523.28 = 33,678.96/x
  3. Step 3: Cross multiply
    61,973.52x = 85,523.28 × 33,678.96
  4. Step 4: Simplify right side
    61,973.52x = 2,880,335,126.19
  5. Step 5: Solve for x
    x = 2,880,335,126.19/61,973.52
  6. Step 6: Final answer
    x = 46,476.87

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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.