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Finding the Fourth Proportional to 61,475.58, 92,212.83 and 19,922.58

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Solution

The fourth proportional to 61,475.58, 92,212.83 and 19,922.58 is: 29,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,475.58 : 92,212.83 = 19,922.58 : x
  2. Step 2: Convert to fraction form
    61,475.58/92,212.83 = 19,922.58/x
  3. Step 3: Cross multiply
    61,475.58x = 92,212.83 × 19,922.58
  4. Step 4: Simplify right side
    61,475.58x = 1,837,117,482.70
  5. Step 5: Solve for x
    x = 1,837,117,482.70/61,475.58
  6. Step 6: Final answer
    x = 29,883.70

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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.