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Finding the Fourth Proportional to 14,750.55, 22,126.86 and 4,890.02

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Solution

The fourth proportional to 14,750.55, 22,126.86 and 4,890.02 is: 7,335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,750.55 : 22,126.86 = 4,890.02 : x
  2. Step 2: Convert to fraction form
    14,750.55/22,126.86 = 4,890.02/x
  3. Step 3: Cross multiply
    14,750.55x = 22,126.86 × 4,890.02
  4. Step 4: Simplify right side
    14,750.55x = 108,200,677.30
  5. Step 5: Solve for x
    x = 108,200,677.30/14,750.55
  6. Step 6: Final answer
    x = 7,335.37

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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.