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Finding the Fourth Proportional to 62,448.20, 93,672.30 and 43,421.30

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Solution

The fourth proportional to 62,448.20, 93,672.30 and 43,421.30 is: 65,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,448.20 : 93,672.30 = 43,421.30 : x
  2. Step 2: Convert to fraction form
    62,448.20/93,672.30 = 43,421.30/x
  3. Step 3: Cross multiply
    62,448.20x = 93,672.30 × 43,421.30
  4. Step 4: Simplify right side
    62,448.20x = 4,067,373,039.99
  5. Step 5: Solve for x
    x = 4,067,373,039.99/62,448.20
  6. Step 6: Final answer
    x = 65,131.95

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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.