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Finding the Fourth Proportional to 61,303.88, 91,956.02 and 16,929.66

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Solution

The fourth proportional to 61,303.88, 91,956.02 and 16,929.66 is: 25,394.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,303.88 : 91,956.02 = 16,929.66 : x
  2. Step 2: Convert to fraction form
    61,303.88/91,956.02 = 16,929.66/x
  3. Step 3: Cross multiply
    61,303.88x = 91,956.02 × 16,929.66
  4. Step 4: Simplify right side
    61,303.88x = 1,556,784,153.55
  5. Step 5: Solve for x
    x = 1,556,784,153.55/61,303.88
  6. Step 6: Final answer
    x = 25,394.55

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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.