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Finding the Fourth Proportional to 70,265.02, 96,942.12 and 40,028.95

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Solution

The fourth proportional to 70,265.02, 96,942.12 and 40,028.95 is: 55,226.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,265.02 : 96,942.12 = 40,028.95 : x
  2. Step 2: Convert to fraction form
    70,265.02/96,942.12 = 40,028.95/x
  3. Step 3: Cross multiply
    70,265.02x = 96,942.12 × 40,028.95
  4. Step 4: Simplify right side
    70,265.02x = 3,880,491,274.37
  5. Step 5: Solve for x
    x = 3,880,491,274.37/70,265.02
  6. Step 6: Final answer
    x = 55,226.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.