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Finding the Fourth Proportional to 62,206.39, 93,309.58 and 20,653.39

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Solution

The fourth proportional to 62,206.39, 93,309.58 and 20,653.39 is: 30,980.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,206.39 : 93,309.58 = 20,653.39 : x
  2. Step 2: Convert to fraction form
    62,206.39/93,309.58 = 20,653.39/x
  3. Step 3: Cross multiply
    62,206.39x = 93,309.58 × 20,653.39
  4. Step 4: Simplify right side
    62,206.39x = 1,927,158,861.57
  5. Step 5: Solve for x
    x = 1,927,158,861.57/62,206.39
  6. Step 6: Final answer
    x = 30,980.08

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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.