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Finding the Fourth Proportional to 61,907.40, 92,770.07 and 36,580.88

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Solution

The fourth proportional to 61,907.40, 92,770.07 and 36,580.88 is: 54,817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,907.40 : 92,770.07 = 36,580.88 : x
  2. Step 2: Convert to fraction form
    61,907.40/92,770.07 = 36,580.88/x
  3. Step 3: Cross multiply
    61,907.40x = 92,770.07 × 36,580.88
  4. Step 4: Simplify right side
    61,907.40x = 3,393,610,151.51
  5. Step 5: Solve for x
    x = 3,393,610,151.51/61,907.40
  6. Step 6: Final answer
    x = 54,817.52

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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.