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Finding the Fourth Proportional to 61,193.84, 91,779.84 and 38,941.16

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Solution

The fourth proportional to 61,193.84, 91,779.84 and 38,941.16 is: 58,404.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,193.84 : 91,779.84 = 38,941.16 : x
  2. Step 2: Convert to fraction form
    61,193.84/91,779.84 = 38,941.16/x
  3. Step 3: Cross multiply
    61,193.84x = 91,779.84 × 38,941.16
  4. Step 4: Simplify right side
    61,193.84x = 3,574,013,434.21
  5. Step 5: Solve for x
    x = 3,574,013,434.21/61,193.84
  6. Step 6: Final answer
    x = 58,404.79

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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.