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Finding the Fourth Proportional to 45,266.10, 67,900.02 and 15,684.90

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Solution

The fourth proportional to 45,266.10, 67,900.02 and 15,684.90 is: 23,527.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,266.10 : 67,900.02 = 15,684.90 : x
  2. Step 2: Convert to fraction form
    45,266.10/67,900.02 = 15,684.90/x
  3. Step 3: Cross multiply
    45,266.10x = 67,900.02 × 15,684.90
  4. Step 4: Simplify right side
    45,266.10x = 1,065,005,023.70
  5. Step 5: Solve for x
    x = 1,065,005,023.70/45,266.10
  6. Step 6: Final answer
    x = 23,527.65

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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.