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Finding the Fourth Proportional to 51,573.84, 77,261.94 and 34,905.12

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Solution

The fourth proportional to 51,573.84, 77,261.94 and 34,905.12 is: 52,290.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,573.84 : 77,261.94 = 34,905.12 : x
  2. Step 2: Convert to fraction form
    51,573.84/77,261.94 = 34,905.12/x
  3. Step 3: Cross multiply
    51,573.84x = 77,261.94 × 34,905.12
  4. Step 4: Simplify right side
    51,573.84x = 2,696,837,287.13
  5. Step 5: Solve for x
    x = 2,696,837,287.13/51,573.84
  6. Step 6: Final answer
    x = 52,290.80

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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.