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Finding the Fourth Proportional to 44,357.70, 66,536.55 and 28,611.30

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Solution

The fourth proportional to 44,357.70, 66,536.55 and 28,611.30 is: 42,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,357.70 : 66,536.55 = 28,611.30 : x
  2. Step 2: Convert to fraction form
    44,357.70/66,536.55 = 28,611.30/x
  3. Step 3: Cross multiply
    44,357.70x = 66,536.55 × 28,611.30
  4. Step 4: Simplify right side
    44,357.70x = 1,903,697,193.02
  5. Step 5: Solve for x
    x = 1,903,697,193.02/44,357.70
  6. Step 6: Final answer
    x = 42,916.95

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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.