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Finding the Fourth Proportional to 44,000.55, 66,006.90 and 15,913.80

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Solution

The fourth proportional to 44,000.55, 66,006.90 and 15,913.80 is: 23,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,000.55 : 66,006.90 = 15,913.80 : x
  2. Step 2: Convert to fraction form
    44,000.55/66,006.90 = 15,913.80/x
  3. Step 3: Cross multiply
    44,000.55x = 66,006.90 × 15,913.80
  4. Step 4: Simplify right side
    44,000.55x = 1,050,420,605.22
  5. Step 5: Solve for x
    x = 1,050,420,605.22/44,000.55
  6. Step 6: Final answer
    x = 23,872.90

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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.