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Finding the Fourth Proportional to 34,445.88, 51,662.02 and 9,479.52

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Solution

The fourth proportional to 34,445.88, 51,662.02 and 9,479.52 is: 14,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,445.88 : 51,662.02 = 9,479.52 : x
  2. Step 2: Convert to fraction form
    34,445.88/51,662.02 = 9,479.52/x
  3. Step 3: Cross multiply
    34,445.88x = 51,662.02 × 9,479.52
  4. Step 4: Simplify right side
    34,445.88x = 489,730,869.82
  5. Step 5: Solve for x
    x = 489,730,869.82/34,445.88
  6. Step 6: Final answer
    x = 14,217.40

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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.