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Finding the Fourth Proportional to 45,294.15, 67,941.17 and 15,711.99

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Solution

The fourth proportional to 45,294.15, 67,941.17 and 15,711.99 is: 23,567.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,294.15 : 67,941.17 = 15,711.99 : x
  2. Step 2: Convert to fraction form
    45,294.15/67,941.17 = 15,711.99/x
  3. Step 3: Cross multiply
    45,294.15x = 67,941.17 × 15,711.99
  4. Step 4: Simplify right side
    45,294.15x = 1,067,490,905.07
  5. Step 5: Solve for x
    x = 1,067,490,905.07/45,294.15
  6. Step 6: Final answer
    x = 23,567.96

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1.5x scale

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.