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Finding the Fourth Proportional to 61,784.40, 92,675.84 and 15,037.68

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Solution

The fourth proportional to 61,784.40, 92,675.84 and 15,037.68 is: 22,556.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,784.40 : 92,675.84 = 15,037.68 : x
  2. Step 2: Convert to fraction form
    61,784.40/92,675.84 = 15,037.68/x
  3. Step 3: Cross multiply
    61,784.40x = 92,675.84 × 15,037.68
  4. Step 4: Simplify right side
    61,784.40x = 1,393,629,625.65
  5. Step 5: Solve for x
    x = 1,393,629,625.65/61,784.40
  6. Step 6: Final answer
    x = 22,556.34

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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.