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Finding the Fourth Proportional to 62,206.20, 93,309.30 and 20,653.20

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Solution

The fourth proportional to 62,206.20, 93,309.30 and 20,653.20 is: 30,979.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,206.20 : 93,309.30 = 20,653.20 : x
  2. Step 2: Convert to fraction form
    62,206.20/93,309.30 = 20,653.20/x
  3. Step 3: Cross multiply
    62,206.20x = 93,309.30 × 20,653.20
  4. Step 4: Simplify right side
    62,206.20x = 1,927,135,634.76
  5. Step 5: Solve for x
    x = 1,927,135,634.76/62,206.20
  6. Step 6: Final answer
    x = 30,979.80

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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.