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Finding the Fourth Proportional to 62,206.14, 93,309.20 and 20,653.14

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Solution

The fourth proportional to 62,206.14, 93,309.20 and 20,653.14 is: 30,979.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,206.14 : 93,309.20 = 20,653.14 : x
  2. Step 2: Convert to fraction form
    62,206.14/93,309.20 = 20,653.14/x
  3. Step 3: Cross multiply
    62,206.14x = 93,309.20 × 20,653.14
  4. Step 4: Simplify right side
    62,206.14x = 1,927,127,970.89
  5. Step 5: Solve for x
    x = 1,927,127,970.89/62,206.14
  6. Step 6: Final answer
    x = 30,979.71

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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.