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Finding the Fourth Proportional to 8,627.30, 12,941.03 and 4,729.58

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Solution

The fourth proportional to 8,627.30, 12,941.03 and 4,729.58 is: 7,094.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,627.30 : 12,941.03 = 4,729.58 : x
  2. Step 2: Convert to fraction form
    8,627.30/12,941.03 = 4,729.58/x
  3. Step 3: Cross multiply
    8,627.30x = 12,941.03 × 4,729.58
  4. Step 4: Simplify right side
    8,627.30x = 61,205,636.67
  5. Step 5: Solve for x
    x = 61,205,636.67/8,627.30
  6. Step 6: Final answer
    x = 7,094.41

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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.